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Finding the Third Proportional to 38,366,454 and 80,279,916

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Solution

The third proportional to 38,366,454 and 80,279,916 is: 167,981,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366,454 : 80,279,916 = 80,279,916 : x
  2. Step 2: Convert to fraction form
    38,366,454/80,279,916 = 80,279,916/x
  3. Step 3: Cross multiply
    38,366,454x = 80,279,916 × 80,279,916
  4. Step 4: Simplify right side
    38,366,454x = 6,444,864,912,967,056
  5. Step 5: Solve for x
    x = 6,444,864,912,967,056/38,366,454
  6. Step 6: Final answer
    x = 167,981,771.60

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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.