A recipe for 3 servings calls for 2 grams of chili powder, how many milligrams are needed for 6 servings

3servings=2garms

6servings=xgrams

easy way is

3 imes 2=6 so

2 times 2=4

answer is 4 grams

the ratio and proportion way

3:2=6:x

3/2=6/x

3x=12

x=4

4 grams

now convert to miligrams

1gram=1000 milgram

4 grams=4000 miligram

answer is 4000 miligrams