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Finding the Third Proportional to 4,331 and 4,781

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Solution

The third proportional to 4,331 and 4,781 is: 5,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331 : 4,781 = 4,781 : x
  2. Step 2: Convert to fraction form
    4,331/4,781 = 4,781/x
  3. Step 3: Cross multiply
    4,331x = 4,781 × 4,781
  4. Step 4: Simplify right side
    4,331x = 22,857,961
  5. Step 5: Solve for x
    x = 22,857,961/4,331
  6. Step 6: Final answer
    x = 5,277.76

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.