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Finding the Third Proportional to 80,786 and 165,595

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Solution

The third proportional to 80,786 and 165,595 is: 339,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786 : 165,595 = 165,595 : x
  2. Step 2: Convert to fraction form
    80,786/165,595 = 165,595/x
  3. Step 3: Cross multiply
    80,786x = 165,595 × 165,595
  4. Step 4: Simplify right side
    80,786x = 27,421,704,025
  5. Step 5: Solve for x
    x = 27,421,704,025/80,786
  6. Step 6: Final answer
    x = 339,436.34

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.