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Finding the Third Proportional to 5,715 and 12,467

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Solution

The third proportional to 5,715 and 12,467 is: 27,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715 : 12,467 = 12,467 : x
  2. Step 2: Convert to fraction form
    5,715/12,467 = 12,467/x
  3. Step 3: Cross multiply
    5,715x = 12,467 × 12,467
  4. Step 4: Simplify right side
    5,715x = 155,426,089
  5. Step 5: Solve for x
    x = 155,426,089/5,715
  6. Step 6: Final answer
    x = 27,196.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.