Finding the Third Proportional to 366 and 415
Calculator
Solution
The third proportional to 366 and 415 is: 470.56
Step by Step Solution
- Step 1: Write the proportion equation
366 : 415 = 415 : x - Step 2: Convert to fraction form
366/415 = 415/x - Step 3: Cross multiply
366x = 415 × 415 - Step 4: Simplify right side
366x = 172,225 - Step 5: Solve for x
x = 172,225/366 - Step 6: Final answer
x = 470.56
Related Problems
Find third proportional to 183 and 207.50
Half scale
Find third proportional to 732 and 830
Double scale
Find third proportional to 368 and 417
Similar ratio
Find third proportional to 549 and 622.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.