The find command accepts the multiple -exec portions. For example:
find . -name "*.txt" -exec echo {} \; -exec grep banana {} \;
Note that in the above case the 2nd command will only run if the 1st one, returns successfully, as mentioned by @Caleb. If you want both your commands to run mindless of their success or failure, you could use this construct:
find . -name "*.txt" \( -exec echo {} \; -o -exec true \; \) -exec grep banana {} \;
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