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Finding the Third Proportional to 6,420,695 and 13,372,831

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Solution

The third proportional to 6,420,695 and 13,372,831 is: 27,852,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,695 : 13,372,831 = 13,372,831 : x
  2. Step 2: Convert to fraction form
    6,420,695/13,372,831 = 13,372,831/x
  3. Step 3: Cross multiply
    6,420,695x = 13,372,831 × 13,372,831
  4. Step 4: Simplify right side
    6,420,695x = 178,832,608,954,561
  5. Step 5: Solve for x
    x = 178,832,608,954,561/6,420,695
  6. Step 6: Final answer
    x = 27,852,531.38

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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.