[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2010/images/06/15/art.meek.042810.jpg caption ="Florida Rep. Kendrick Meek has won the Democratic Senate primary, CNN projects."](CNN) - Rep. Kendrick Meek has defeated billionaire Jeff Greene in Florida's Democratic primary for U.S. Senate on Tuesday, CNN has projected.
With 38 percent of precincts reporting, Meek led Greene 55 percent to 32 percent, according to The Associated Press.
Meek will take on Marco Rubio - whom CNN projected has won the Republican primary for Senate - and Gov. Charlie Crist, a Republican-turned independent, in the general election.
The last polls in Florida closed at 8 p.m. ET.
In the Republican primary for governor, millionaire businessman Rick Scott was ahead of Attorney General Bill McCollum, 46 percent to 43 percent, with 34 percent of precincts reporting, according to the AP.
CNN has projected that Alex Sink, Florida's chief financial officer, has won Florida's Democratic primary for governor.
Florida is one of five states holding primaries Tuesday. Among other big storylines of the night: Arizona Sen. John McCain is expected to fend off the biggest Republican primary challenge of his Senate career, and a little-known Tea Party candidate is taking on an incumbent senator in Alaska.