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Finding the Third Proportional to 15,951,758,620 and 34,905,550,928

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Solution

The third proportional to 15,951,758,620 and 34,905,550,928 is: 76,380,135,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951,758,620 : 34,905,550,928 = 34,905,550,928 : x
  2. Step 2: Convert to fraction form
    15,951,758,620/34,905,550,928 = 34,905,550,928/x
  3. Step 3: Cross multiply
    15,951,758,620x = 34,905,550,928 × 34,905,550,928
  4. Step 4: Simplify right side
    15,951,758,620x = 1,218,397,485,587,201,785,856
  5. Step 5: Solve for x
    x = 1,218,397,485,587,201,785,856/15,951,758,620
  6. Step 6: Final answer
    x = 76,380,135,545.66

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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.