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Finding the Third Proportional to 18,027.56 and 39,330.56

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Solution

The third proportional to 18,027.56 and 39,330.56 is: 85,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.56 : 39,330.56 = 39,330.56 : x
  2. Step 2: Convert to fraction form
    18,027.56/39,330.56 = 39,330.56/x
  3. Step 3: Cross multiply
    18,027.56x = 39,330.56 × 39,330.56
  4. Step 4: Simplify right side
    18,027.56x = 1,546,893,146.57
  5. Step 5: Solve for x
    x = 1,546,893,146.57/18,027.56
  6. Step 6: Final answer
    x = 85,807.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.