LG Energy Solution Ltd. on Tuesday estimated its third-quarter operating profit at 448.3 billion won (US$332.3 million), down 38.7 percent from a year earlier.Revenue decreased 16.4 percent to 6.87 trillion won. The data for net earnings was not available.The operating profit was 30.2 percent higher than the average estimate, according to a survey by Yonhap Infomax, the financial data firm of Yonhap News Agency.The company will release its final earnings report later.Source: Yonhap News Agency