Finding the Third Proportional to 448 and 628
Calculator
Solution
The third proportional to 448 and 628 is: 880.32
Step by Step Solution
- Step 1: Write the proportion equation
448 : 628 = 628 : x - Step 2: Convert to fraction form
448/628 = 628/x - Step 3: Cross multiply
448x = 628 × 628 - Step 4: Simplify right side
448x = 394,384 - Step 5: Solve for x
x = 394,384/448 - Step 6: Final answer
x = 880.32
Related Problems
Find third proportional to 224 and 314
Half scale
Find third proportional to 896 and 1,256
Double scale
Find third proportional to 450 and 631
Similar ratio
Find third proportional to 672 and 942
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.