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Finding the Third Proportional to 12,171,583 and 18,836,850

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Solution

The third proportional to 12,171,583 and 18,836,850 is: 29,152,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,583 : 18,836,850 = 18,836,850 : x
  2. Step 2: Convert to fraction form
    12,171,583/18,836,850 = 18,836,850/x
  3. Step 3: Cross multiply
    12,171,583x = 18,836,850 × 18,836,850
  4. Step 4: Simplify right side
    12,171,583x = 354,826,917,922,500
  5. Step 5: Solve for x
    x = 354,826,917,922,500/12,171,583
  6. Step 6: Final answer
    x = 29,152,076.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.