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Finding the Third Proportional to 5,515,360,960 and 8,253,500,190

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Solution

The third proportional to 5,515,360,960 and 8,253,500,190 is: 12,351,007,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,360,960 : 8,253,500,190 = 8,253,500,190 : x
  2. Step 2: Convert to fraction form
    5,515,360,960/8,253,500,190 = 8,253,500,190/x
  3. Step 3: Cross multiply
    5,515,360,960x = 8,253,500,190 × 8,253,500,190
  4. Step 4: Simplify right side
    5,515,360,960x = 68,120,265,386,330,038,272
  5. Step 5: Solve for x
    x = 68,120,265,386,330,038,272/5,515,360,960
  6. Step 6: Final answer
    x = 12,351,007,645.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.