The game was tightly placed up until the closing stages, when George Hill, Paul George and David West nailed treys in an 11-2 last-gasp run in order to give the Pacers an unassailable lead in the game.
In Dallas, the San Antonio Spurs fell behind to a 2-1 lead by the Dallas Mavericks, as the hosts claimed a 109-108 point-victory, in which Monta Ellis tied a playoff career-high record with 29 points, including 12 in the fourth quarter.
However, the headlines were saved for Dallas man Vince Carter, as he produced a double-jump three-pointer on the buzzer to give the Mavericks a late victory over their opponents at the American Airlines Center.
The Miami Heat have now won 19 consecutive games against the Charlotte Bobcats as they took their series-lead to 3-0 with a 98-85 victory away at the Time Warner Cable Arena on Saturday.
LeBron James was the standout performer of Game Three as he scored a game-high 30 points, while Al Jefferson shone for the Cats as he notched 20 points in a bid to give them their first postseason win in franchise history.
Finally, in Tennessee, the Oklahoma City Thunder beat the Memphis Grizzlies 92-89 to tie their series at 2-2, as Reggie Jackson scored a career-high 32 points, which included the final five points of regulation time, after Oklahoma City had originally trailed by five with less than a minute left to play.
Results in fulll: Indiana Pacers 91-88 Atlanta Hawks, Dallas Mavericks 109-108 San Antonio Spurs, Miami Heat 98-85 Charlotte Bobcats, Oklahoma City Thunder 92-89 Memphis Grizzlies