Finding the Third Proportional to 902 and 1,630
Calculator
Solution
The third proportional to 902 and 1,630 is: 2,945.57
Step by Step Solution
- Step 1: Write the proportion equation
902 : 1,630 = 1,630 : x - Step 2: Convert to fraction form
902/1,630 = 1,630/x - Step 3: Cross multiply
902x = 1,630 × 1,630 - Step 4: Simplify right side
902x = 2,656,900 - Step 5: Solve for x
x = 2,656,900/902 - Step 6: Final answer
x = 2,945.57
Related Problems
Find third proportional to 451 and 815
Half scale
Find third proportional to 1,804 and 3,260
Double scale
Find third proportional to 904 and 1,634
Similar ratio
Find third proportional to 1,353 and 2,445
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.