Question

find the third proportional to the following numbers 4 4
5 15​

Answer 1

Answer:

is that the way is good but all are in whole nbr

Answer 2

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