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Finding the Third Proportional to 502,545.75 and 777,147.75

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Solution

The third proportional to 502,545.75 and 777,147.75 is: 1,201,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,545.75 : 777,147.75 = 777,147.75 : x
  2. Step 2: Convert to fraction form
    502,545.75/777,147.75 = 777,147.75/x
  3. Step 3: Cross multiply
    502,545.75x = 777,147.75 × 777,147.75
  4. Step 4: Simplify right side
    502,545.75x = 603,958,625,330.06
  5. Step 5: Solve for x
    x = 603,958,625,330.06/502,545.75
  6. Step 6: Final answer
    x = 1,201,798.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.