DUBAI, Oct 24 (Reuters) - Qatar International Islamic Bank QIIB.QA , the Gulf state's third-largest listed Islamic bank by assets, reported a 2.2 percent rise in third-quarter net profit on Monday, according to Reuters calculations.

* Net profit of 223.3 million riyals ($61.3 million) in the three months ending Sept. 30, versus 218.4 million riyals a year earlier.

* Reuters calculated based on financial statements in lieu of a quarterly breakdown.

* QNB Financial Services forecast: 221.8 mln riyals.

* QIIB's nine-month net profit 666.4 million riyals, up from 656.5 million riyals a year ago, a bourse statement said.

($1 = 3.6405 Qatar riyals)

(Reporting by Tom Arnold; Editing by David French) ((Tom.Arnold@thomsonreuters.com; +97144536265; Reuters Messaging: tom.arnold.thomsonreuters.com@reuters.net))