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Finding the Third Proportional to 33,781 and 49,368

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Solution

The third proportional to 33,781 and 49,368 is: 72,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781 : 49,368 = 49,368 : x
  2. Step 2: Convert to fraction form
    33,781/49,368 = 49,368/x
  3. Step 3: Cross multiply
    33,781x = 49,368 × 49,368
  4. Step 4: Simplify right side
    33,781x = 2,437,199,424
  5. Step 5: Solve for x
    x = 2,437,199,424/33,781
  6. Step 6: Final answer
    x = 72,147.05

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.