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Finding the Third Proportional to 80,774 and 165,576

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Solution

The third proportional to 80,774 and 165,576 is: 339,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,774 : 165,576 = 165,576 : x
  2. Step 2: Convert to fraction form
    80,774/165,576 = 165,576/x
  3. Step 3: Cross multiply
    80,774x = 165,576 × 165,576
  4. Step 4: Simplify right side
    80,774x = 27,415,411,776
  5. Step 5: Solve for x
    x = 27,415,411,776/80,774
  6. Step 6: Final answer
    x = 339,408.87

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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.