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Finding the Third Proportional to 6,171 and 11,565

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Solution

The third proportional to 6,171 and 11,565 is: 21,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171 : 11,565 = 11,565 : x
  2. Step 2: Convert to fraction form
    6,171/11,565 = 11,565/x
  3. Step 3: Cross multiply
    6,171x = 11,565 × 11,565
  4. Step 4: Simplify right side
    6,171x = 133,749,225
  5. Step 5: Solve for x
    x = 133,749,225/6,171
  6. Step 6: Final answer
    x = 21,673.83

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.