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Finding the Third Proportional to 7,992 and 12,468

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Solution

The third proportional to 7,992 and 12,468 is: 19,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992 : 12,468 = 12,468 : x
  2. Step 2: Convert to fraction form
    7,992/12,468 = 12,468/x
  3. Step 3: Cross multiply
    7,992x = 12,468 × 12,468
  4. Step 4: Simplify right side
    7,992x = 155,451,024
  5. Step 5: Solve for x
    x = 155,451,024/7,992
  6. Step 6: Final answer
    x = 19,450.83

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.