Question

. Find the third proportional to 36 and 18​

Answer 1

Answer:

Let the required third proportional be X

36,18,x are in continued proportional

36:18 = 18:x

36/18=18/x

x= 18×18/36

x= 9

required proportional = 9

hope its helpful

Answer 2

Answer:

Let us assume the third proportional to be x. Then

18/36 = x/18

By simplifying this, we get

=> 1/2 = x/ 18

=> x = 18/2

=> x = 9

Hence, 9 is the third proportional to 36 and 18.