- (of two quantities) having the same or a constant ratio or relation: The quantities y and x are proportional if y/x = k, where k is the constant of proportionality.
- (of a first quantity with respect to a second quantity) a constant multiple of: The quantity y is proportional to x if y = kx, where k is the constant of proportionality.
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Origin of proportional
OTHER WORDS FROM proportional
WORDS THAT MAY BE CONFUSED WITH proportionalproportional , proportionate
Example sentences from the Web for proportional
Their surfaces are a froth of magnetic storms, proportionally more violent than the worst weather on the Sun.
Meager as it was, that 2-cent mechanical rate of 1914 proportionally dwarfs the 9.1 cents per physical copy paid today.Van Dyke Parks on How Songwriters Are Getting Screwed in the Digital Age|Van Dyke Parks|June 4, 2014|DAILY BEAST
They're both inexplicably wealthy and powerful, with beautiful girlfriends and proportionally smug attitudes.Justin Bieber is the Joffrey Baratheon of Our Time|Amy Zimmerman|March 25, 2014|DAILY BEAST
My military assured me that we could act today, tomorrow, a month from now, that we could do so proportionally, but meaningfully.Marco Rubio, Ted Cruz, and Their Craven and Brazen Hypocrisy on Syria|Michael Tomasky|September 9, 2013|DAILY BEAST
But this pressure grows proportionally with ire directed against the government—but not with anger directed at outside powers.
For the smallest kind of Londres and for Damos, a proportionally small leaf is employed.
Where the needle is not proportionally fine near the hook, it is almost impossible to keep the work even.The Ladies' Book of Etiquette, and Manual of Politeness|Florence Hartley
The thumb is proportionally smaller than that of man, but larger than that of the apes.
The canine teeth are proportionally much thicker and longer than those of men.
All I meant to say was, that champagne is very pretty tipple; and so thought the dinner party, who were proportionally enlivened.Newton Forster|Captain Frederick Marryat