Finding the Third Proportional to 81,132.50 and 121,023.50
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Solution
The third proportional to 81,132.50 and 121,023.50 is: 180,527.99
Step by Step Solution
- Step 1: Write the proportion equation
81,132.50 : 121,023.50 = 121,023.50 : x - Step 2: Convert to fraction form
81,132.50/121,023.50 = 121,023.50/x - Step 3: Cross multiply
81,132.50x = 121,023.50 × 121,023.50 - Step 4: Simplify right side
81,132.50x = 14,646,687,552.25 - Step 5: Solve for x
x = 14,646,687,552.25/81,132.50 - Step 6: Final answer
x = 180,527.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.