0.5% of what number is 5? (Needs to be in a proportion)

ok percent means parts out of 100 0.5%=0.5/100=5/1000=1/200 'of' means mutily so 0.5% of what number is 5 1/200 tiems what=5 mutiply both sides by 200 to clear fraction what=1000 the numberis 1000 the proportion is [latex] \frac{0.5x}{100}=5/1 [/latex]

Let the number be x. 0.5% of  x = 5 0.5/100  * x  = 5 x =  5*100/0.5  . Simplify x = 1000. The number is 1000.