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Finding the Third Proportional to 280,285 and 658,013

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Solution

The third proportional to 280,285 and 658,013 is: 1,544,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,285 : 658,013 = 658,013 : x
  2. Step 2: Convert to fraction form
    280,285/658,013 = 658,013/x
  3. Step 3: Cross multiply
    280,285x = 658,013 × 658,013
  4. Step 4: Simplify right side
    280,285x = 432,981,108,169
  5. Step 5: Solve for x
    x = 432,981,108,169/280,285
  6. Step 6: Final answer
    x = 1,544,788.73

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.