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Finding the Third Proportional to 106,432 and 164,811

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Solution

The third proportional to 106,432 and 164,811 is: 255,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432 : 164,811 = 164,811 : x
  2. Step 2: Convert to fraction form
    106,432/164,811 = 164,811/x
  3. Step 3: Cross multiply
    106,432x = 164,811 × 164,811
  4. Step 4: Simplify right side
    106,432x = 27,162,665,721
  5. Step 5: Solve for x
    x = 27,162,665,721/106,432
  6. Step 6: Final answer
    x = 255,211.46

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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.