Dictionary.com

mean proportional

Save This Word!

noun Mathematics.
(between two numbers a and b) a number x for which a/x = x/b: The number 3 is a mean proportional between 1 and 9.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of mean proportional

First recorded in 1565–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mean proportional in a sentence

FEEDBACK