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Finding the Third Proportional to 38,366,455 and 80,279,918

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Solution

The third proportional to 38,366,455 and 80,279,918 is: 167,981,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366,455 : 80,279,918 = 80,279,918 : x
  2. Step 2: Convert to fraction form
    38,366,455/80,279,918 = 80,279,918/x
  3. Step 3: Cross multiply
    38,366,455x = 80,279,918 × 80,279,918
  4. Step 4: Simplify right side
    38,366,455x = 6,444,865,234,086,724
  5. Step 5: Solve for x
    x = 6,444,865,234,086,724/38,366,455
  6. Step 6: Final answer
    x = 167,981,775.59

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.