91
252, 504, 756 . . .
44
The first 15 multiples of 252: 252, 504, 756, 1008, 1260, 1512, 1764, 2016, 2268, 2520, 2772, 3024, 3276, 3528, 3780 . . .
252 and its multiples.
91
650, 700 and 750 are three consecutive multiples.
The sum of three consecutive multiples of 6 is 666, the multiples are 216, 222 and 228.
84, 168, 252.
84, 168, 252
If there are three consecutive numbers which sum to 252, you can find the answer by merely dividing 252 by 3. Then take that number and the two on either side of it. So we get 84, then we take it's neighbors 83 and 85 and we're done. 252.
83, 84 and 85 if you add them.
357, 374, and 391
If that's 9, 14 and 21, the first three common multiples are 126, 252 and 378.
84, 168, 252 and so on.
84, 168, 252
126, 252 and 378.