Question : The third proportional to 12 and 18 is:
Option 1: 3
Option 2: 6
Option 3: 27
Option 4: 144
Answer (1)
25th Jan, 2024
Correct Answer: 27
Solution :
Let the third proportional be $x$.
Then, $12:18=18:x$
⇒ $\frac{12}{18}=\frac{18}{x}$
⇒ $x=\frac{18×18}{12}=\frac{54}{2}=27$
Hence, the correct answer is 27.
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