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Finding the Third Proportional to 2,742 and 6,467

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Solution

The third proportional to 2,742 and 6,467 is: 15,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742 : 6,467 = 6,467 : x
  2. Step 2: Convert to fraction form
    2,742/6,467 = 6,467/x
  3. Step 3: Cross multiply
    2,742x = 6,467 × 6,467
  4. Step 4: Simplify right side
    2,742x = 41,822,089
  5. Step 5: Solve for x
    x = 41,822,089/2,742
  6. Step 6: Final answer
    x = 15,252.40

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.