1.)word form
2.)colon form
3.)fraction form

Answer:
labo ng pic but
12 mangoes is to 18 oranges
12 mangoes: 18 oranges
12/18 mangoes/ oranges
1.) 2 mangoes is to 3 oranges
2.) 2 mangoes: 3 oranges
3.) 2 mangoes/3 oranges