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Finding the Third Proportional to 165,756 and 361,872

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Solution

The third proportional to 165,756 and 361,872 is: 790,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,756 : 361,872 = 361,872 : x
  2. Step 2: Convert to fraction form
    165,756/361,872 = 361,872/x
  3. Step 3: Cross multiply
    165,756x = 361,872 × 361,872
  4. Step 4: Simplify right side
    165,756x = 130,951,344,384
  5. Step 5: Solve for x
    x = 130,951,344,384/165,756
  6. Step 6: Final answer
    x = 790,024.76

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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.