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Finding the Third Proportional to 547,121.25 and 818,494.88

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Solution

The third proportional to 547,121.25 and 818,494.88 is: 1,224,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,121.25 : 818,494.88 = 818,494.88 : x
  2. Step 2: Convert to fraction form
    547,121.25/818,494.88 = 818,494.88/x
  3. Step 3: Cross multiply
    547,121.25x = 818,494.88 × 818,494.88
  4. Step 4: Simplify right side
    547,121.25x = 669,933,860,401.27
  5. Step 5: Solve for x
    x = 669,933,860,401.27/547,121.25
  6. Step 6: Final answer
    x = 1,224,470.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.