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Finding the Third Proportional to 3,280,542 and 7,100,220

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Solution

The third proportional to 3,280,542 and 7,100,220 is: 15,367,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,542 : 7,100,220 = 7,100,220 : x
  2. Step 2: Convert to fraction form
    3,280,542/7,100,220 = 7,100,220/x
  3. Step 3: Cross multiply
    3,280,542x = 7,100,220 × 7,100,220
  4. Step 4: Simplify right side
    3,280,542x = 50,413,124,048,400
  5. Step 5: Solve for x
    x = 50,413,124,048,400/3,280,542
  6. Step 6: Final answer
    x = 15,367,315.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.