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Finding the Third Proportional to 9,331,123 and 20,455,847

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Solution

The third proportional to 9,331,123 and 20,455,847 is: 44,843,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331,123 : 20,455,847 = 20,455,847 : x
  2. Step 2: Convert to fraction form
    9,331,123/20,455,847 = 20,455,847/x
  3. Step 3: Cross multiply
    9,331,123x = 20,455,847 × 20,455,847
  4. Step 4: Simplify right side
    9,331,123x = 418,441,676,487,409
  5. Step 5: Solve for x
    x = 418,441,676,487,409/9,331,123
  6. Step 6: Final answer
    x = 44,843,656.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.