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Finding the Third Proportional to 79,940 and 162,625

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Solution

The third proportional to 79,940 and 162,625 is: 330,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940 : 162,625 = 162,625 : x
  2. Step 2: Convert to fraction form
    79,940/162,625 = 162,625/x
  3. Step 3: Cross multiply
    79,940x = 162,625 × 162,625
  4. Step 4: Simplify right side
    79,940x = 26,446,890,625
  5. Step 5: Solve for x
    x = 26,446,890,625/79,940
  6. Step 6: Final answer
    x = 330,834.26

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.