EVERY three consecutive numbers add to a multiple of 3:
Proof: numbers are n, n + 1 and n + 2. The total is 3n + 3 or 3(n + 1)
This means that for any three consecutive numbers, the total is 3 times the middle number.
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That isn't possible. The three consecutive number are assumed to be integers; the sum of three consecutive integers is always a multiple of 3 (try it out).
This is no set of three consecutive numbers that when multiplied equal 387.
71,72,73 :)
Do you mean:"What three consecutive numbers add up to 99?" If you do, then the numbers are 32, 33, 34.
nine, ten and eleven. Three consecutive numbers that total thirty