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Finding the Third Proportional to 4,131,380 and 8,948,824

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Solution

The third proportional to 4,131,380 and 8,948,824 is: 19,383,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,380 : 8,948,824 = 8,948,824 : x
  2. Step 2: Convert to fraction form
    4,131,380/8,948,824 = 8,948,824/x
  3. Step 3: Cross multiply
    4,131,380x = 8,948,824 × 8,948,824
  4. Step 4: Simplify right side
    4,131,380x = 80,081,450,982,976
  5. Step 5: Solve for x
    x = 80,081,450,982,976/4,131,380
  6. Step 6: Final answer
    x = 19,383,704.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.