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Finding the Third Proportional to 9,040 and 11,944

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Solution

The third proportional to 9,040 and 11,944 is: 15,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040 : 11,944 = 11,944 : x
  2. Step 2: Convert to fraction form
    9,040/11,944 = 11,944/x
  3. Step 3: Cross multiply
    9,040x = 11,944 × 11,944
  4. Step 4: Simplify right side
    9,040x = 142,659,136
  5. Step 5: Solve for x
    x = 142,659,136/9,040
  6. Step 6: Final answer
    x = 15,780.88

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.