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Finding the Third Proportional to 9,815,511 and 20,890,734

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Solution

The third proportional to 9,815,511 and 20,890,734 is: 44,462,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,511 : 20,890,734 = 20,890,734 : x
  2. Step 2: Convert to fraction form
    9,815,511/20,890,734 = 20,890,734/x
  3. Step 3: Cross multiply
    9,815,511x = 20,890,734 × 20,890,734
  4. Step 4: Simplify right side
    9,815,511x = 436,422,767,058,756
  5. Step 5: Solve for x
    x = 436,422,767,058,756/9,815,511
  6. Step 6: Final answer
    x = 44,462,562.07

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.