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Finding the Third Proportional to 3,192,412,989 and 7,458,917,218.50

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Solution

The third proportional to 3,192,412,989 and 7,458,917,218.50 is: 17,427,396,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,412,989 : 7,458,917,218.50 = 7,458,917,218.50 : x
  2. Step 2: Convert to fraction form
    3,192,412,989/7,458,917,218.50 = 7,458,917,218.50/x
  3. Step 3: Cross multiply
    3,192,412,989x = 7,458,917,218.50 × 7,458,917,218.50
  4. Step 4: Simplify right side
    3,192,412,989x = 55,635,446,072,435,777,536
  5. Step 5: Solve for x
    x = 55,635,446,072,435,777,536/3,192,412,989
  6. Step 6: Final answer
    x = 17,427,396,224.78

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.