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Finding the Third Proportional to 4,203,234.60 and 8,906,249.95

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Solution

The third proportional to 4,203,234.60 and 8,906,249.95 is: 18,871,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203,234.60 : 8,906,249.95 = 8,906,249.95 : x
  2. Step 2: Convert to fraction form
    4,203,234.60/8,906,249.95 = 8,906,249.95/x
  3. Step 3: Cross multiply
    4,203,234.60x = 8,906,249.95 × 8,906,249.95
  4. Step 4: Simplify right side
    4,203,234.60x = 79,321,288,227,539.06
  5. Step 5: Solve for x
    x = 79,321,288,227,539.06/4,203,234.60
  6. Step 6: Final answer
    x = 18,871,487.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.