3COM CORP <COMS> 3RD QTR FEB 28 NET Shr 22 cts vs 13 cts Net 3,166,000 vs 1,780,000 Sales 30.4 mln vs 16.9 mln Avg shrs 14.6 mln vs 14.0 mln Nine mths Shr 56 cts vs 33 cts Net 7,961,000 vs 4,562,000 Sales 78.8 mln vs 44.7 mln Avg shrs 14.3 mln vs 13.9 mln