Multiple pie graphs on single page
 

I need to put three pie graphs on a single page where the size of the overall
pie is different and I would like size of the graphical representation of the
pie to be relative to the data. That is, I have three pies: 203, 210, 256.

How do I get them graphed on the same page, sized relative to each other,
with a single legend describing the categories (which are the same in all
three pies)?

Thank you.