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Finding the Third Proportional to 67,756 and 102,134

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Solution

The third proportional to 67,756 and 102,134 is: 153,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,756 : 102,134 = 102,134 : x
  2. Step 2: Convert to fraction form
    67,756/102,134 = 102,134/x
  3. Step 3: Cross multiply
    67,756x = 102,134 × 102,134
  4. Step 4: Simplify right side
    67,756x = 10,431,353,956
  5. Step 5: Solve for x
    x = 10,431,353,956/67,756
  6. Step 6: Final answer
    x = 153,954.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.