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Finding the Third Proportional to 67,625 and 144,631

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Solution

The third proportional to 67,625 and 144,631 is: 309,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,625 : 144,631 = 144,631 : x
  2. Step 2: Convert to fraction form
    67,625/144,631 = 144,631/x
  3. Step 3: Cross multiply
    67,625x = 144,631 × 144,631
  4. Step 4: Simplify right side
    67,625x = 20,918,126,161
  5. Step 5: Solve for x
    x = 20,918,126,161/67,625
  6. Step 6: Final answer
    x = 309,325.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.