Find the third proportional to 3 and 9?
Choose the correct choice from the following options.
A) 10
B) 12
C) 27
D) 19
E) 20
Formula = Third proportional = (b × b)/a   A = 3 and B = 9   (9 x 9)/ 3 = 81/3= 
<gadget id="calculator">81/3</gadget>
<output>27</output>
27   27
<result>C</result>
Find the third proportional to 3 and 9?