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Finding the Third Proportional to 12,860 and 27,751

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Solution

The third proportional to 12,860 and 27,751 is: 59,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860 : 27,751 = 27,751 : x
  2. Step 2: Convert to fraction form
    12,860/27,751 = 27,751/x
  3. Step 3: Cross multiply
    12,860x = 27,751 × 27,751
  4. Step 4: Simplify right side
    12,860x = 770,118,001
  5. Step 5: Solve for x
    x = 770,118,001/12,860
  6. Step 6: Final answer
    x = 59,884.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.