Finding the Third Proportional to 662 and 1,628
Calculator
Solution
The third proportional to 662 and 1,628 is: 4,003.60
Step by Step Solution
- Step 1: Write the proportion equation
662 : 1,628 = 1,628 : x - Step 2: Convert to fraction form
662/1,628 = 1,628/x - Step 3: Cross multiply
662x = 1,628 × 1,628 - Step 4: Simplify right side
662x = 2,650,384 - Step 5: Solve for x
x = 2,650,384/662 - Step 6: Final answer
x = 4,003.60
Related Problems
Find third proportional to 331 and 814
Half scale
Find third proportional to 1,324 and 3,256
Double scale
Find third proportional to 664 and 1,633
Similar ratio
Find third proportional to 993 and 2,442
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.