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Finding the Third Proportional to 3,207,089.25 and 7,131,330

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Solution

The third proportional to 3,207,089.25 and 7,131,330 is: 15,857,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,089.25 : 7,131,330 = 7,131,330 : x
  2. Step 2: Convert to fraction form
    3,207,089.25/7,131,330 = 7,131,330/x
  3. Step 3: Cross multiply
    3,207,089.25x = 7,131,330 × 7,131,330
  4. Step 4: Simplify right side
    3,207,089.25x = 50,855,867,568,900
  5. Step 5: Solve for x
    x = 50,855,867,568,900/3,207,089.25
  6. Step 6: Final answer
    x = 15,857,328.44

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.