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Finding the Third Proportional to 275,202 and 387,545.63

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Solution

The third proportional to 275,202 and 387,545.63 is: 545,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,202 : 387,545.63 = 387,545.63 : x
  2. Step 2: Convert to fraction form
    275,202/387,545.63 = 387,545.63/x
  3. Step 3: Cross multiply
    275,202x = 387,545.63 × 387,545.63
  4. Step 4: Simplify right side
    275,202x = 150,191,611,456.64
  5. Step 5: Solve for x
    x = 150,191,611,456.64/275,202
  6. Step 6: Final answer
    x = 545,750.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.