Question

Find the third proportional to 12 and 18

Answer 1

Answer:

Step-by-step explanation:

Let the third proportion be x

12 : 18 = 18 : x

x = 18*(18/12)

x = 18*(3/2)

x = 54/2

x = 27

Answer 2

12:18::18:x
Product of extreme ×product of mean
12×x=18×18
x=18×18÷12
x=27