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Finding the Third Proportional to 571,569 and 840,249

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Solution

The third proportional to 571,569 and 840,249 is: 1,235,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,569 : 840,249 = 840,249 : x
  2. Step 2: Convert to fraction form
    571,569/840,249 = 840,249/x
  3. Step 3: Cross multiply
    571,569x = 840,249 × 840,249
  4. Step 4: Simplify right side
    571,569x = 706,018,382,001
  5. Step 5: Solve for x
    x = 706,018,382,001/571,569
  6. Step 6: Final answer
    x = 1,235,228.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.