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Finding the Third Proportional to 73,758 and 156,231

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Solution

The third proportional to 73,758 and 156,231 is: 330,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758 : 156,231 = 156,231 : x
  2. Step 2: Convert to fraction form
    73,758/156,231 = 156,231/x
  3. Step 3: Cross multiply
    73,758x = 156,231 × 156,231
  4. Step 4: Simplify right side
    73,758x = 24,408,125,361
  5. Step 5: Solve for x
    x = 24,408,125,361/73,758
  6. Step 6: Final answer
    x = 330,921.74

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.