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Finding the Third Proportional to 76,758 and 165,182

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Solution

The third proportional to 76,758 and 165,182 is: 355,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,758 : 165,182 = 165,182 : x
  2. Step 2: Convert to fraction form
    76,758/165,182 = 165,182/x
  3. Step 3: Cross multiply
    76,758x = 165,182 × 165,182
  4. Step 4: Simplify right side
    76,758x = 27,285,093,124
  5. Step 5: Solve for x
    x = 27,285,093,124/76,758
  6. Step 6: Final answer
    x = 355,469.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.