Finding the Third Proportional to 498 and 652.50
Calculator
Solution
The third proportional to 498 and 652.50 is: 854.93
Step by Step Solution
- Step 1: Write the proportion equation
498 : 652.50 = 652.50 : x - Step 2: Convert to fraction form
498/652.50 = 652.50/x - Step 3: Cross multiply
498x = 652.50 × 652.50 - Step 4: Simplify right side
498x = 425,756.25 - Step 5: Solve for x
x = 425,756.25/498 - Step 6: Final answer
x = 854.93
Related Problems
Find third proportional to 249 and 326.25
Half scale
Find third proportional to 996 and 1,305
Double scale
Find third proportional to 500 and 655
Similar ratio
Find third proportional to 747 and 978.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.