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Finding the Third Proportional to 11,200.50 and 15,027.75

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Solution

The third proportional to 11,200.50 and 15,027.75 is: 20,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.50 : 15,027.75 = 15,027.75 : x
  2. Step 2: Convert to fraction form
    11,200.50/15,027.75 = 15,027.75/x
  3. Step 3: Cross multiply
    11,200.50x = 15,027.75 × 15,027.75
  4. Step 4: Simplify right side
    11,200.50x = 225,833,270.06
  5. Step 5: Solve for x
    x = 225,833,270.06/11,200.50
  6. Step 6: Final answer
    x = 20,162.78

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.