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Finding the Third Proportional to 76,626 and 102,267

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Solution

The third proportional to 76,626 and 102,267 is: 136,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626 : 102,267 = 102,267 : x
  2. Step 2: Convert to fraction form
    76,626/102,267 = 102,267/x
  3. Step 3: Cross multiply
    76,626x = 102,267 × 102,267
  4. Step 4: Simplify right side
    76,626x = 10,458,539,289
  5. Step 5: Solve for x
    x = 10,458,539,289/76,626
  6. Step 6: Final answer
    x = 136,488.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.