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Finding the Third Proportional to 9,008 and 11,992

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Solution

The third proportional to 9,008 and 11,992 is: 15,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008 : 11,992 = 11,992 : x
  2. Step 2: Convert to fraction form
    9,008/11,992 = 11,992/x
  3. Step 3: Cross multiply
    9,008x = 11,992 × 11,992
  4. Step 4: Simplify right side
    9,008x = 143,808,064
  5. Step 5: Solve for x
    x = 143,808,064/9,008
  6. Step 6: Final answer
    x = 15,964.48

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.