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Finding the Third Proportional to 8,205,986 and 18,995,374

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Solution

The third proportional to 8,205,986 and 18,995,374 is: 43,970,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,986 : 18,995,374 = 18,995,374 : x
  2. Step 2: Convert to fraction form
    8,205,986/18,995,374 = 18,995,374/x
  3. Step 3: Cross multiply
    8,205,986x = 18,995,374 × 18,995,374
  4. Step 4: Simplify right side
    8,205,986x = 360,824,233,399,876
  5. Step 5: Solve for x
    x = 360,824,233,399,876/8,205,986
  6. Step 6: Final answer
    x = 43,970,856.57

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.