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Finding the Third Proportional to 18,285.75 and 43,227

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Solution

The third proportional to 18,285.75 and 43,227 is: 102,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.75 : 43,227 = 43,227 : x
  2. Step 2: Convert to fraction form
    18,285.75/43,227 = 43,227/x
  3. Step 3: Cross multiply
    18,285.75x = 43,227 × 43,227
  4. Step 4: Simplify right side
    18,285.75x = 1,868,573,529
  5. Step 5: Solve for x
    x = 1,868,573,529/18,285.75
  6. Step 6: Final answer
    x = 102,187.42

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.