Question

If the third proportional to 9 and x is 36, then find the value of x.​

Answer 1

9:x :: x:36

9/x = x/36

x square = 36×9

x square = 324

x square =18 square

x = 18

Hence answer is 18

Answer 2

9:x :: x:36

9/x = x/36

x square = 36×9

x square = 324

x square =18 square

x = 18

Hence answer is 18