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Finding the Third Proportional to 70,668 and 102,192

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Solution

The third proportional to 70,668 and 102,192 is: 147,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668 : 102,192 = 102,192 : x
  2. Step 2: Convert to fraction form
    70,668/102,192 = 102,192/x
  3. Step 3: Cross multiply
    70,668x = 102,192 × 102,192
  4. Step 4: Simplify right side
    70,668x = 10,443,204,864
  5. Step 5: Solve for x
    x = 10,443,204,864/70,668
  6. Step 6: Final answer
    x = 147,778.41

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.