Finding the Third Proportional to 495 and 727.31
Calculator
Solution
The third proportional to 495 and 727.31 is: 1,068.65
Step by Step Solution
- Step 1: Write the proportion equation
495 : 727.31 = 727.31 : x - Step 2: Convert to fraction form
495/727.31 = 727.31/x - Step 3: Cross multiply
495x = 727.31 × 727.31 - Step 4: Simplify right side
495x = 528,983.47 - Step 5: Solve for x
x = 528,983.47/495 - Step 6: Final answer
x = 1,068.65
Related Problems
Find third proportional to 247.50 and 363.66
Half scale
Find third proportional to 990 and 1,454.63
Double scale
Find third proportional to 497 and 730
Similar ratio
Find third proportional to 742.50 and 1,090.97
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.