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Finding the Third Proportional to 51,100 and 68,670

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Solution

The third proportional to 51,100 and 68,670 is: 92,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,100 : 68,670 = 68,670 : x
  2. Step 2: Convert to fraction form
    51,100/68,670 = 68,670/x
  3. Step 3: Cross multiply
    51,100x = 68,670 × 68,670
  4. Step 4: Simplify right side
    51,100x = 4,715,568,900
  5. Step 5: Solve for x
    x = 4,715,568,900/51,100
  6. Step 6: Final answer
    x = 92,281.19

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.