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Finding the Third Proportional to 54,387 and 118,737

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Solution

The third proportional to 54,387 and 118,737 is: 259,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387 : 118,737 = 118,737 : x
  2. Step 2: Convert to fraction form
    54,387/118,737 = 118,737/x
  3. Step 3: Cross multiply
    54,387x = 118,737 × 118,737
  4. Step 4: Simplify right side
    54,387x = 14,098,475,169
  5. Step 5: Solve for x
    x = 14,098,475,169/54,387
  6. Step 6: Final answer
    x = 259,225.09

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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.