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Finding the Third Proportional to 5,966 and 12,860

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Solution

The third proportional to 5,966 and 12,860 is: 27,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966 : 12,860 = 12,860 : x
  2. Step 2: Convert to fraction form
    5,966/12,860 = 12,860/x
  3. Step 3: Cross multiply
    5,966x = 12,860 × 12,860
  4. Step 4: Simplify right side
    5,966x = 165,379,600
  5. Step 5: Solve for x
    x = 165,379,600/5,966
  6. Step 6: Final answer
    x = 27,720.35

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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.