Look at the series of numbers in this riddle and find the connection between them.
Find the missing number in the sequence:
(1/9), (1/3), 1, ____ , 9
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It is a simple series where each next number is multiplied by 3.
1/9 x 3 = 1/3
1/3 x 3 = 1
So we can find the missing number as;
1 x 3 = 3
and verify this by checking for the next number;
3 x 3 = 9
So answer = 3