Finding the Third Proportional to 176,721.75 and 386,430.75
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Solution
The third proportional to 176,721.75 and 386,430.75 is: 844,993.47
Step by Step Solution
- Step 1: Write the proportion equation
176,721.75 : 386,430.75 = 386,430.75 : x - Step 2: Convert to fraction form
176,721.75/386,430.75 = 386,430.75/x - Step 3: Cross multiply
176,721.75x = 386,430.75 × 386,430.75 - Step 4: Simplify right side
176,721.75x = 149,328,724,545.56 - Step 5: Solve for x
x = 149,328,724,545.56/176,721.75 - Step 6: Final answer
x = 844,993.47
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.