Finding the Third Proportional to 442.50 and 498.75
Calculator
Solution
The third proportional to 442.50 and 498.75 is: 562.15
Step by Step Solution
- Step 1: Write the proportion equation
442.50 : 498.75 = 498.75 : x - Step 2: Convert to fraction form
442.50/498.75 = 498.75/x - Step 3: Cross multiply
442.50x = 498.75 × 498.75 - Step 4: Simplify right side
442.50x = 248,751.56 - Step 5: Solve for x
x = 248,751.56/442.50 - Step 6: Final answer
x = 562.15
Related Problems
Find third proportional to 221.25 and 249.38
Half scale
Find third proportional to 885 and 997.50
Double scale
Find third proportional to 445 and 501
Similar ratio
Find third proportional to 663.75 and 748.13
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.