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Finding the Third Proportional to 107,390 and 164,811

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Solution

The third proportional to 107,390 and 164,811 is: 252,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390 : 164,811 = 164,811 : x
  2. Step 2: Convert to fraction form
    107,390/164,811 = 164,811/x
  3. Step 3: Cross multiply
    107,390x = 164,811 × 164,811
  4. Step 4: Simplify right side
    107,390x = 27,162,665,721
  5. Step 5: Solve for x
    x = 27,162,665,721/107,390
  6. Step 6: Final answer
    x = 252,934.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.