Two of same suit rag flop

[wrecked_em]

Just curious what the odds are, if I hold two suited cards, that none of the flop cards will be that suit? It seems like it happens to me around 75% of the time which seems pretty high to me.

[JimDrang]

39/50 * 38/49 * 37/48 = 54834/117600 =~ 46.6%