When you blow up a balloon or fill it with helium, this is an example of when you inflate.
When a balloon is filled with helium and grows rounder and larger, this is an example of when it inflates.
When you have a minor little paper cut and you act as if you are dying, this is an example of when you = inflate the importance of the cut.
When the cost of a movie ticket goes from $2 to $10, this is an example of a time the theatre inflates the prices.
Inflated the balloon with helium.
Positive reviews that inflated the actor's ego.
Inflated the box office receipts to mislead the investors.