You can mix 1/8 and 3/32 in the sense of chainring and sprocket, but you must use a 1/8 chain (i.e., you can't put a smaller chain on a bigger tooth).
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You can mix 1/8 and 3/32 in the sense of chainring and sprocket, but you must use a 1/8 chain (i.e., you can't put a smaller chain on a bigger tooth).