Question

EUR/USD=1.1210/1.125
USD/JPY = 112.15/114.25
EUR/JPY =???

Answer 1

EUR = (1.1210/1.125 ) USD
but USD = (112.15/114.25 ) JPY

so
EUR = (1.1210/1.125)(112.15/114.25 ) JPY

so
EUR/JPY
=(1.1210/1.125)(112.15/114.25 )