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Finding the Third Proportional to 28,754 and 43,227

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Solution

The third proportional to 28,754 and 43,227 is: 64,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754 : 43,227 = 43,227 : x
  2. Step 2: Convert to fraction form
    28,754/43,227 = 43,227/x
  3. Step 3: Cross multiply
    28,754x = 43,227 × 43,227
  4. Step 4: Simplify right side
    28,754x = 1,868,573,529
  5. Step 5: Solve for x
    x = 1,868,573,529/28,754
  6. Step 6: Final answer
    x = 64,984.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.