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Finding the Third Proportional to 34,921 and 49,876

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Solution

The third proportional to 34,921 and 49,876 is: 71,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921 : 49,876 = 49,876 : x
  2. Step 2: Convert to fraction form
    34,921/49,876 = 49,876/x
  3. Step 3: Cross multiply
    34,921x = 49,876 × 49,876
  4. Step 4: Simplify right side
    34,921x = 2,487,615,376
  5. Step 5: Solve for x
    x = 2,487,615,376/34,921
  6. Step 6: Final answer
    x = 71,235.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.