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Finding the Third Proportional to 25,222 and 54,872

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Solution

The third proportional to 25,222 and 54,872 is: 119,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222 : 54,872 = 54,872 : x
  2. Step 2: Convert to fraction form
    25,222/54,872 = 54,872/x
  3. Step 3: Cross multiply
    25,222x = 54,872 × 54,872
  4. Step 4: Simplify right side
    25,222x = 3,010,936,384
  5. Step 5: Solve for x
    x = 3,010,936,384/25,222
  6. Step 6: Final answer
    x = 119,377.38

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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.