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Finding the Third Proportional to 392,731,917 and 854,415,793

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Solution

The third proportional to 392,731,917 and 854,415,793 is: 1,858,841,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,731,917 : 854,415,793 = 854,415,793 : x
  2. Step 2: Convert to fraction form
    392,731,917/854,415,793 = 854,415,793/x
  3. Step 3: Cross multiply
    392,731,917x = 854,415,793 × 854,415,793
  4. Step 4: Simplify right side
    392,731,917x = 730,026,347,327,818,880
  5. Step 5: Solve for x
    x = 730,026,347,327,818,880/392,731,917
  6. Step 6: Final answer
    x = 1,858,841,402.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.