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Finding the Third Proportional to 547,069 and 865,568

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Solution

The third proportional to 547,069 and 865,568 is: 1,369,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,069 : 865,568 = 865,568 : x
  2. Step 2: Convert to fraction form
    547,069/865,568 = 865,568/x
  3. Step 3: Cross multiply
    547,069x = 865,568 × 865,568
  4. Step 4: Simplify right side
    547,069x = 749,207,962,624
  5. Step 5: Solve for x
    x = 749,207,962,624/547,069
  6. Step 6: Final answer
    x = 1,369,494.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.