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Finding the Third Proportional to 18,103,166 and 39,394,456

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Solution

The third proportional to 18,103,166 and 39,394,456 is: 85,726,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,166 : 39,394,456 = 39,394,456 : x
  2. Step 2: Convert to fraction form
    18,103,166/39,394,456 = 39,394,456/x
  3. Step 3: Cross multiply
    18,103,166x = 39,394,456 × 39,394,456
  4. Step 4: Simplify right side
    18,103,166x = 1,551,923,163,535,936
  5. Step 5: Solve for x
    x = 1,551,923,163,535,936/18,103,166
  6. Step 6: Final answer
    x = 85,726,616.19

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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.