Finding the Third Proportional to 90,487.13 and 221,502.09
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Solution
The third proportional to 90,487.13 and 221,502.09 is: 542,211.70
Step by Step Solution
- Step 1: Write the proportion equation
90,487.13 : 221,502.09 = 221,502.09 : x - Step 2: Convert to fraction form
90,487.13/221,502.09 = 221,502.09/x - Step 3: Cross multiply
90,487.13x = 221,502.09 × 221,502.09 - Step 4: Simplify right side
90,487.13x = 49,063,177,535.63 - Step 5: Solve for x
x = 49,063,177,535.63/90,487.13 - Step 6: Final answer
x = 542,211.70
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These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.