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Finding the Third Proportional to 8,966 and 13,917

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Solution

The third proportional to 8,966 and 13,917 is: 21,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966 : 13,917 = 13,917 : x
  2. Step 2: Convert to fraction form
    8,966/13,917 = 13,917/x
  3. Step 3: Cross multiply
    8,966x = 13,917 × 13,917
  4. Step 4: Simplify right side
    8,966x = 193,682,889
  5. Step 5: Solve for x
    x = 193,682,889/8,966
  6. Step 6: Final answer
    x = 21,601.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.