Texas (USA) is 79% larger than Montana (USA).
Area: 376,962 km2 US Census
Population: 1,015,165 (July 2013) US Census
Montana is a state in the Western United States. The state's name is derived from the Spanish word montaña. Wikipedia
Area: 676,587 km2 US Census
Population: 26,448,193 (July 2013) US Census
Texas is the second most populous and the second-largest of the 50 U.S. states in the United States of America, and the largest state in the 48 contiguous United States. Wikipedia