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Finding the Third Proportional to 31,671 and 50,149.13

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Solution

The third proportional to 31,671 and 50,149.13 is: 79,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671 : 50,149.13 = 50,149.13 : x
  2. Step 2: Convert to fraction form
    31,671/50,149.13 = 50,149.13/x
  3. Step 3: Cross multiply
    31,671x = 50,149.13 × 50,149.13
  4. Step 4: Simplify right side
    31,671x = 2,514,934,738.27
  5. Step 5: Solve for x
    x = 2,514,934,738.27/31,671
  6. Step 6: Final answer
    x = 79,408.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.