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Finding the Third Proportional to 9,666 and 15,849

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Solution

The third proportional to 9,666 and 15,849 is: 25,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666 : 15,849 = 15,849 : x
  2. Step 2: Convert to fraction form
    9,666/15,849 = 15,849/x
  3. Step 3: Cross multiply
    9,666x = 15,849 × 15,849
  4. Step 4: Simplify right side
    9,666x = 251,190,801
  5. Step 5: Solve for x
    x = 251,190,801/9,666
  6. Step 6: Final answer
    x = 25,987.05

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.