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Finding the Third Proportional to 3,951,537,966 and 7,803,138,739.50

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Solution

The third proportional to 3,951,537,966 and 7,803,138,739.50 is: 15,408,930,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951,537,966 : 7,803,138,739.50 = 7,803,138,739.50 : x
  2. Step 2: Convert to fraction form
    3,951,537,966/7,803,138,739.50 = 7,803,138,739.50/x
  3. Step 3: Cross multiply
    3,951,537,966x = 7,803,138,739.50 × 7,803,138,739.50
  4. Step 4: Simplify right side
    3,951,537,966x = 60,888,974,187,885,649,920
  5. Step 5: Solve for x
    x = 60,888,974,187,885,649,920/3,951,537,966
  6. Step 6: Final answer
    x = 15,408,930,576.35

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.