Makati is 94% larger than Mandaluyong.
Area: 22 km2 calculated
Makati, officially the City of Makati, in the Philippines, is one of the sixteen cities that make up Metro Manila. Makati is located within the circle of 14′40″ °north and 121′3″ °E right at the center of Metro Manila. Wikipedia
Area: 11 km2 calculated
Mandaluyong, officially the City of Mandaluyong, is one of the cities and municipalities that comprise Metro Manila in the Philippines. Wikipedia