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Finding the Third Proportional to 3,998,524 and 8,634,177

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Solution

The third proportional to 3,998,524 and 8,634,177 is: 18,644,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,524 : 8,634,177 = 8,634,177 : x
  2. Step 2: Convert to fraction form
    3,998,524/8,634,177 = 8,634,177/x
  3. Step 3: Cross multiply
    3,998,524x = 8,634,177 × 8,634,177
  4. Step 4: Simplify right side
    3,998,524x = 74,549,012,467,329
  5. Step 5: Solve for x
    x = 74,549,012,467,329/3,998,524
  6. Step 6: Final answer
    x = 18,644,132.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.