* Gold extends sharp pullback to third consecutive day * Less inflation fears prompt funds to short gold * Less than $20 above key support at three-year low at $1,180 * Coming up: US Core PCE price index Friday By Frank Tang and Jan Harvey NEW YORK/LONDON, Dec 19 (Reuters) -

Prices at 12:14 p.m. EST (1714 GMT) LAST NET PCT YTD CHG CHG CHG US gold 1195.80 -39.20 -3.2% -28.6% US silver 19.185 -0.009 -4.4% -36.5% US platinum 1319.80 -22.90 -1.7% -14.2% US palladium 695.90 -3.55 -0.5% -1.1% Gold 1196.31 -21.31 -1.8% -28.6% Silver 19.19 -0.53 -2.7% -36.7% Platinum 1317.25 -13.75 -1.0% -14.3% Palladium 693.25 -2.25 -0.3% -1.2% Gold Fix 1196.00 -9.25 -0.8% -28.1% Silver Fix 19.34 -60.00 -3.0% -35.4% Platinum Fix 1321.00 7.00 0.5% -13.3% Palladium Fix 700.00 4.00 0.6% 0.1%