Chapter 5.CR, Problem 7CR

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Chapter
Section

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

# Answer true or false for review Exercises 1 to 7.If second and third terms of a proportion are equal, then either is the geometric mean of the first and fourth terms.

To determine

The statement is true or false.

Explanation

Proportion:

Proportion is an equation where two ratios are equal to each other.

For example:

35=915

Definition:

The non-zero number b is the geometric mean of a and c if ab=bcÂ orâ€‰cb=baÂ

For example, let us take 8 be the third and fourth term of a proportion

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