Question

find the third proportion of 15 and 45​

Answer 1

Answer:

let 15=a

45=b

and take third proportion =c

b^2=ac

(45)^2=15c

2025=15c

2025/15=c

c=135

so, the answer is 135

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Answer 2

Let 15=a

45=b

and take third proportion= c

b^2=ac

(45)^2=15c

2025=15c

2025/15=c

c=135

so,the answer is 135.

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