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Finding the Third Proportional to 8,669 and 9,893

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Solution

The third proportional to 8,669 and 9,893 is: 11,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669 : 9,893 = 9,893 : x
  2. Step 2: Convert to fraction form
    8,669/9,893 = 9,893/x
  3. Step 3: Cross multiply
    8,669x = 9,893 × 9,893
  4. Step 4: Simplify right side
    8,669x = 97,871,449
  5. Step 5: Solve for x
    x = 97,871,449/8,669
  6. Step 6: Final answer
    x = 11,289.82

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.