Question

Find the third proportional in 25,15
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Answer 1

Answer:

Let 3rd proportional be x

25,15,15,x

25x =15*15

x=15*15/25

x=9

Answer 2

Answer:

Question:⤵

Find the third proportional in 25,15

Answer:⤵

first number = 25

second number = 15

third number = x

so, 5x5=25

5x3=15

and the third number is missing

so third number = 5

5 is the answer