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Finding the Third Proportional to 13,107,756 and 20,351,753

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Solution

The third proportional to 13,107,756 and 20,351,753 is: 31,599,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,756 : 20,351,753 = 20,351,753 : x
  2. Step 2: Convert to fraction form
    13,107,756/20,351,753 = 20,351,753/x
  3. Step 3: Cross multiply
    13,107,756x = 20,351,753 × 20,351,753
  4. Step 4: Simplify right side
    13,107,756x = 414,193,850,173,009
  5. Step 5: Solve for x
    x = 414,193,850,173,009/13,107,756
  6. Step 6: Final answer
    x = 31,599,142.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.