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Finding the Third Proportional to 63,594 and 139,872

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Solution

The third proportional to 63,594 and 139,872 is: 307,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,594 : 139,872 = 139,872 : x
  2. Step 2: Convert to fraction form
    63,594/139,872 = 139,872/x
  3. Step 3: Cross multiply
    63,594x = 139,872 × 139,872
  4. Step 4: Simplify right side
    63,594x = 19,564,176,384
  5. Step 5: Solve for x
    x = 19,564,176,384/63,594
  6. Step 6: Final answer
    x = 307,641.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.