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Finding the Third Proportional to 6,617 and 9,893

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Solution

The third proportional to 6,617 and 9,893 is: 14,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617 : 9,893 = 9,893 : x
  2. Step 2: Convert to fraction form
    6,617/9,893 = 9,893/x
  3. Step 3: Cross multiply
    6,617x = 9,893 × 9,893
  4. Step 4: Simplify right side
    6,617x = 97,871,449
  5. Step 5: Solve for x
    x = 97,871,449/6,617
  6. Step 6: Final answer
    x = 14,790.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.