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Finding the Third Proportional to 12,951,940 and 28,511,756

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Solution

The third proportional to 12,951,940 and 28,511,756 is: 62,764,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,940 : 28,511,756 = 28,511,756 : x
  2. Step 2: Convert to fraction form
    12,951,940/28,511,756 = 28,511,756/x
  3. Step 3: Cross multiply
    12,951,940x = 28,511,756 × 28,511,756
  4. Step 4: Simplify right side
    12,951,940x = 812,920,230,203,536
  5. Step 5: Solve for x
    x = 812,920,230,203,536/12,951,940
  6. Step 6: Final answer
    x = 62,764,360.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.