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Finding the Third Proportional to 20,363,815,745 and 43,839,856,579

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Solution

The third proportional to 20,363,815,745 and 43,839,856,579 is: 94,379,808,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363,815,745 : 43,839,856,579 = 43,839,856,579 : x
  2. Step 2: Convert to fraction form
    20,363,815,745/43,839,856,579 = 43,839,856,579/x
  3. Step 3: Cross multiply
    20,363,815,745x = 43,839,856,579 × 43,839,856,579
  4. Step 4: Simplify right side
    20,363,815,745x = 1,921,933,024,867,289,661,440
  5. Step 5: Solve for x
    x = 1,921,933,024,867,289,661,440/20,363,815,745
  6. Step 6: Final answer
    x = 94,379,808,231.14

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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.