Question

the third term in a continued proportion of 9 and 12 is

a. 8
b. 16
c. 21
d. 10.5

please explain step by step ​

Answer 1

Answer:

option C 21 is the correct answer.

Step-by-step explanation:

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Answer 2

Answer:

21

3,6,9,12,15....

=3+6=9

=9+12=21

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