Question

what is the third proportion of 15 is to 60​

Answer 1

Answer:

if

a:b = b:c , then b^2 = ac.

Here “a” is first proportion

“b” is mean proportion

“c” is third proportion.

=> c = b^2/a

= 45^2/15 = 135

Step-by-step explanation:

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Answer 2

Answer:

I

Step-by-step explanation:

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