The crossword solution for the term ENLARGE PROPORTIONATELY is SCALEUP, which is a 7 letter word. To scale up means to increase in size or amount proportionally, so it is an appropriate solution for the term ENLARGE PROPORTIONATELY. This phrase is often used in business contexts, where it refers to increasing production or services in order to meet increased demand. It can also be used to refer to the process of making something larger while maintaining its proportions.