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Finding the Third Proportional to 391,061,500 and 849,383,546

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Solution

The third proportional to 391,061,500 and 849,383,546 is: 1,844,856,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,061,500 : 849,383,546 = 849,383,546 : x
  2. Step 2: Convert to fraction form
    391,061,500/849,383,546 = 849,383,546/x
  3. Step 3: Cross multiply
    391,061,500x = 849,383,546 × 849,383,546
  4. Step 4: Simplify right side
    391,061,500x = 721,452,408,215,534,080
  5. Step 5: Solve for x
    x = 721,452,408,215,534,080/391,061,500
  6. Step 6: Final answer
    x = 1,844,856,648.42

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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.