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Finding the Third Proportional to 3,173,220 and 6,976,296

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Solution

The third proportional to 3,173,220 and 6,976,296 is: 15,337,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,220 : 6,976,296 = 6,976,296 : x
  2. Step 2: Convert to fraction form
    3,173,220/6,976,296 = 6,976,296/x
  3. Step 3: Cross multiply
    3,173,220x = 6,976,296 × 6,976,296
  4. Step 4: Simplify right side
    3,173,220x = 48,668,705,879,616
  5. Step 5: Solve for x
    x = 48,668,705,879,616/3,173,220
  6. Step 6: Final answer
    x = 15,337,324.82

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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.