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Finding the Third Proportional to 75,847 and 165,518

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Solution

The third proportional to 75,847 and 165,518 is: 361,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,847 : 165,518 = 165,518 : x
  2. Step 2: Convert to fraction form
    75,847/165,518 = 165,518/x
  3. Step 3: Cross multiply
    75,847x = 165,518 × 165,518
  4. Step 4: Simplify right side
    75,847x = 27,396,208,324
  5. Step 5: Solve for x
    x = 27,396,208,324/75,847
  6. Step 6: Final answer
    x = 361,203.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.