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Finding the Third Proportional to 18,421,331,740 and 28,297,419,194

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Solution

The third proportional to 18,421,331,740 and 28,297,419,194 is: 43,468,297,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,331,740 : 28,297,419,194 = 28,297,419,194 : x
  2. Step 2: Convert to fraction form
    18,421,331,740/28,297,419,194 = 28,297,419,194/x
  3. Step 3: Cross multiply
    18,421,331,740x = 28,297,419,194 × 28,297,419,194
  4. Step 4: Simplify right side
    18,421,331,740x = 800,743,933,040,959,553,536
  5. Step 5: Solve for x
    x = 800,743,933,040,959,553,536/18,421,331,740
  6. Step 6: Final answer
    x = 43,468,297,750.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.