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Finding the Third Proportional to 230,218 and 542,689

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Solution

The third proportional to 230,218 and 542,689 is: 1,279,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,218 : 542,689 = 542,689 : x
  2. Step 2: Convert to fraction form
    230,218/542,689 = 542,689/x
  3. Step 3: Cross multiply
    230,218x = 542,689 × 542,689
  4. Step 4: Simplify right side
    230,218x = 294,511,350,721
  5. Step 5: Solve for x
    x = 294,511,350,721/230,218
  6. Step 6: Final answer
    x = 1,279,271.61

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.