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Finding the Third Proportional to 219,657.38 and 479,592

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Solution

The third proportional to 219,657.38 and 479,592 is: 1,047,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,657.38 : 479,592 = 479,592 : x
  2. Step 2: Convert to fraction form
    219,657.38/479,592 = 479,592/x
  3. Step 3: Cross multiply
    219,657.38x = 479,592 × 479,592
  4. Step 4: Simplify right side
    219,657.38x = 230,008,486,464
  5. Step 5: Solve for x
    x = 230,008,486,464/219,657.38
  6. Step 6: Final answer
    x = 1,047,123.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.