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Finding the Third Proportional to 103,673 and 217,791

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Solution

The third proportional to 103,673 and 217,791 is: 457,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673 : 217,791 = 217,791 : x
  2. Step 2: Convert to fraction form
    103,673/217,791 = 217,791/x
  3. Step 3: Cross multiply
    103,673x = 217,791 × 217,791
  4. Step 4: Simplify right side
    103,673x = 47,432,919,681
  5. Step 5: Solve for x
    x = 47,432,919,681/103,673
  6. Step 6: Final answer
    x = 457,524.33

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.