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Finding the Third Proportional to 5,451,683,790 and 11,858,558,993.50

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Solution

The third proportional to 5,451,683,790 and 11,858,558,993.50 is: 25,794,860,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,683,790 : 11,858,558,993.50 = 11,858,558,993.50 : x
  2. Step 2: Convert to fraction form
    5,451,683,790/11,858,558,993.50 = 11,858,558,993.50/x
  3. Step 3: Cross multiply
    5,451,683,790x = 11,858,558,993.50 × 11,858,558,993.50
  4. Step 4: Simplify right side
    5,451,683,790x = 140,625,421,402,319,732,736
  5. Step 5: Solve for x
    x = 140,625,421,402,319,732,736/5,451,683,790
  6. Step 6: Final answer
    x = 25,794,860,233.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.