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Finding the Third Proportional to 11,928 and 18,043.88

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Solution

The third proportional to 11,928 and 18,043.88 is: 27,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928 : 18,043.88 = 18,043.88 : x
  2. Step 2: Convert to fraction form
    11,928/18,043.88 = 18,043.88/x
  3. Step 3: Cross multiply
    11,928x = 18,043.88 × 18,043.88
  4. Step 4: Simplify right side
    11,928x = 325,581,425.02
  5. Step 5: Solve for x
    x = 325,581,425.02/11,928
  6. Step 6: Final answer
    x = 27,295.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.