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Finding the Third Proportional to 76,626 and 162,374

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Solution

The third proportional to 76,626 and 162,374 is: 344,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626 : 162,374 = 162,374 : x
  2. Step 2: Convert to fraction form
    76,626/162,374 = 162,374/x
  3. Step 3: Cross multiply
    76,626x = 162,374 × 162,374
  4. Step 4: Simplify right side
    76,626x = 26,365,315,876
  5. Step 5: Solve for x
    x = 26,365,315,876/76,626
  6. Step 6: Final answer
    x = 344,077.94

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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.