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Finding the Third Proportional to 28,208 and 41,439

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Solution

The third proportional to 28,208 and 41,439 is: 60,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208 : 41,439 = 41,439 : x
  2. Step 2: Convert to fraction form
    28,208/41,439 = 41,439/x
  3. Step 3: Cross multiply
    28,208x = 41,439 × 41,439
  4. Step 4: Simplify right side
    28,208x = 1,717,190,721
  5. Step 5: Solve for x
    x = 1,717,190,721/28,208
  6. Step 6: Final answer
    x = 60,876.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.