Finding the Third Proportional to 391,842.75 and 551,800.75
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Solution
The third proportional to 391,842.75 and 551,800.75 is: 777,056.79
Step by Step Solution
- Step 1: Write the proportion equation
391,842.75 : 551,800.75 = 551,800.75 : x - Step 2: Convert to fraction form
391,842.75/551,800.75 = 551,800.75/x - Step 3: Cross multiply
391,842.75x = 551,800.75 × 551,800.75 - Step 4: Simplify right side
391,842.75x = 304,484,067,700.56 - Step 5: Solve for x
x = 304,484,067,700.56/391,842.75 - Step 6: Final answer
x = 777,056.79
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.