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Finding the Third Proportional to 20,363,815,740 and 43,839,856,569

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Solution

The third proportional to 20,363,815,740 and 43,839,856,569 is: 94,379,808,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363,815,740 : 43,839,856,569 = 43,839,856,569 : x
  2. Step 2: Convert to fraction form
    20,363,815,740/43,839,856,569 = 43,839,856,569/x
  3. Step 3: Cross multiply
    20,363,815,740x = 43,839,856,569 × 43,839,856,569
  4. Step 4: Simplify right side
    20,363,815,740x = 1,921,933,023,990,492,430,336
  5. Step 5: Solve for x
    x = 1,921,933,023,990,492,430,336/20,363,815,740
  6. Step 6: Final answer
    x = 94,379,808,211.25

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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.