Select the option that is related to the third number in the same way as the second number is related to the first number.
13 : 17 :: 73 : ?
17 is the next prime number after 13. Similarly, the next prime number after 73 is 79.
$$\therefore\ $$79 is related to 73 in the same way 17 is related to 13
Hence, the correct answer is Option B
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