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Finding the Third Proportional to 28,481 and 43,837

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Solution

The third proportional to 28,481 and 43,837 is: 67,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481 : 43,837 = 43,837 : x
  2. Step 2: Convert to fraction form
    28,481/43,837 = 43,837/x
  3. Step 3: Cross multiply
    28,481x = 43,837 × 43,837
  4. Step 4: Simplify right side
    28,481x = 1,921,682,569
  5. Step 5: Solve for x
    x = 1,921,682,569/28,481
  6. Step 6: Final answer
    x = 67,472.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.