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Finding the Third Proportional to 27,170 and 60,172

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Solution

The third proportional to 27,170 and 60,172 is: 133,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170 : 60,172 = 60,172 : x
  2. Step 2: Convert to fraction form
    27,170/60,172 = 60,172/x
  3. Step 3: Cross multiply
    27,170x = 60,172 × 60,172
  4. Step 4: Simplify right side
    27,170x = 3,620,669,584
  5. Step 5: Solve for x
    x = 3,620,669,584/27,170
  6. Step 6: Final answer
    x = 133,259.83

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.