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Finding the Third Proportional to 33,578 and 49,439

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Solution

The third proportional to 33,578 and 49,439 is: 72,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,578 : 49,439 = 49,439 : x
  2. Step 2: Convert to fraction form
    33,578/49,439 = 49,439/x
  3. Step 3: Cross multiply
    33,578x = 49,439 × 49,439
  4. Step 4: Simplify right side
    33,578x = 2,444,214,721
  5. Step 5: Solve for x
    x = 2,444,214,721/33,578
  6. Step 6: Final answer
    x = 72,792.15

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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.