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Finding the Third Proportional to 2,564 and 3,881

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Solution

The third proportional to 2,564 and 3,881 is: 5,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564 : 3,881 = 3,881 : x
  2. Step 2: Convert to fraction form
    2,564/3,881 = 3,881/x
  3. Step 3: Cross multiply
    2,564x = 3,881 × 3,881
  4. Step 4: Simplify right side
    2,564x = 15,062,161
  5. Step 5: Solve for x
    x = 15,062,161/2,564
  6. Step 6: Final answer
    x = 5,874.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.