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Finding the Third Proportional to 70,251 and 165,831

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Solution

The third proportional to 70,251 and 165,831 is: 391,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,251 : 165,831 = 165,831 : x
  2. Step 2: Convert to fraction form
    70,251/165,831 = 165,831/x
  3. Step 3: Cross multiply
    70,251x = 165,831 × 165,831
  4. Step 4: Simplify right side
    70,251x = 27,499,920,561
  5. Step 5: Solve for x
    x = 27,499,920,561/70,251
  6. Step 6: Final answer
    x = 391,452.37

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.