Finding the Third Proportional to 414 and 628
Calculator
Solution
The third proportional to 414 and 628 is: 952.62
Step by Step Solution
- Step 1: Write the proportion equation
414 : 628 = 628 : x - Step 2: Convert to fraction form
414/628 = 628/x - Step 3: Cross multiply
414x = 628 × 628 - Step 4: Simplify right side
414x = 394,384 - Step 5: Solve for x
x = 394,384/414 - Step 6: Final answer
x = 952.62
Related Problems
Find third proportional to 207 and 314
Half scale
Find third proportional to 828 and 1,256
Double scale
Find third proportional to 416 and 631
Similar ratio
Find third proportional to 621 and 942
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.