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Finding the Third Proportional to 4,227 and 8,877

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Solution

The third proportional to 4,227 and 8,877 is: 18,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227 : 8,877 = 8,877 : x
  2. Step 2: Convert to fraction form
    4,227/8,877 = 8,877/x
  3. Step 3: Cross multiply
    4,227x = 8,877 × 8,877
  4. Step 4: Simplify right side
    4,227x = 78,801,129
  5. Step 5: Solve for x
    x = 78,801,129/4,227
  6. Step 6: Final answer
    x = 18,642.33

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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.