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Finding the Third Proportional to 2,512 and 4,781

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Solution

The third proportional to 2,512 and 4,781 is: 9,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512 : 4,781 = 4,781 : x
  2. Step 2: Convert to fraction form
    2,512/4,781 = 4,781/x
  3. Step 3: Cross multiply
    2,512x = 4,781 × 4,781
  4. Step 4: Simplify right side
    2,512x = 22,857,961
  5. Step 5: Solve for x
    x = 22,857,961/2,512
  6. Step 6: Final answer
    x = 9,099.51

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.