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Finding the Third Proportional to 3,580,942,068 and 7,706,079,882

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Solution

The third proportional to 3,580,942,068 and 7,706,079,882 is: 16,583,252,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,942,068 : 7,706,079,882 = 7,706,079,882 : x
  2. Step 2: Convert to fraction form
    3,580,942,068/7,706,079,882 = 7,706,079,882/x
  3. Step 3: Cross multiply
    3,580,942,068x = 7,706,079,882 × 7,706,079,882
  4. Step 4: Simplify right side
    3,580,942,068x = 59,383,667,147,765,137,408
  5. Step 5: Solve for x
    x = 59,383,667,147,765,137,408/3,580,942,068
  6. Step 6: Final answer
    x = 16,583,252,680.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.