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Finding the Third Proportional to 31,646 and 49,197

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Solution

The third proportional to 31,646 and 49,197 is: 76,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646 : 49,197 = 49,197 : x
  2. Step 2: Convert to fraction form
    31,646/49,197 = 49,197/x
  3. Step 3: Cross multiply
    31,646x = 49,197 × 49,197
  4. Step 4: Simplify right side
    31,646x = 2,420,344,809
  5. Step 5: Solve for x
    x = 2,420,344,809/31,646
  6. Step 6: Final answer
    x = 76,481.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.