Complex sentence: Flint's population is 102,434, the seventh largest city in Michigan, the combined population of the Greater Tri-Cities (Saginaw, Midland, and Bay City) is 398,482.
Split into simpler sentences: Flint's population is 102,434; it is the seventh largest city in Michigan. The combined population of the Greater Tri-Cities (Saginaw, Midland, and Bay City) is 398,482.