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Finding the Third Proportional to 4,813,138 and 7,220,734

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Solution

The third proportional to 4,813,138 and 7,220,734 is: 10,832,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,138 : 7,220,734 = 7,220,734 : x
  2. Step 2: Convert to fraction form
    4,813,138/7,220,734 = 7,220,734/x
  3. Step 3: Cross multiply
    4,813,138x = 7,220,734 × 7,220,734
  4. Step 4: Simplify right side
    4,813,138x = 52,138,999,498,756
  5. Step 5: Solve for x
    x = 52,138,999,498,756/4,813,138
  6. Step 6: Final answer
    x = 10,832,641.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.