Finding the Third Proportional to 440 and 562
Calculator
Solution
The third proportional to 440 and 562 is: 717.83
Step by Step Solution
- Step 1: Write the proportion equation
440 : 562 = 562 : x - Step 2: Convert to fraction form
440/562 = 562/x - Step 3: Cross multiply
440x = 562 × 562 - Step 4: Simplify right side
440x = 315,844 - Step 5: Solve for x
x = 315,844/440 - Step 6: Final answer
x = 717.83
Related Problems
Find third proportional to 220 and 281
Half scale
Find third proportional to 880 and 1,124
Double scale
Find third proportional to 442 and 565
Similar ratio
Find third proportional to 660 and 843
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.