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Finding the Third Proportional to 218,625 and 477,750

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Solution

The third proportional to 218,625 and 477,750 is: 1,044,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,625 : 477,750 = 477,750 : x
  2. Step 2: Convert to fraction form
    218,625/477,750 = 477,750/x
  3. Step 3: Cross multiply
    218,625x = 477,750 × 477,750
  4. Step 4: Simplify right side
    218,625x = 228,245,062,500
  5. Step 5: Solve for x
    x = 228,245,062,500/218,625
  6. Step 6: Final answer
    x = 1,044,002.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.