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Finding the Third Proportional to 1,503,940.50 and 3,131,811

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Solution

The third proportional to 1,503,940.50 and 3,131,811 is: 6,521,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,940.50 : 3,131,811 = 3,131,811 : x
  2. Step 2: Convert to fraction form
    1,503,940.50/3,131,811 = 3,131,811/x
  3. Step 3: Cross multiply
    1,503,940.50x = 3,131,811 × 3,131,811
  4. Step 4: Simplify right side
    1,503,940.50x = 9,808,240,139,721
  5. Step 5: Solve for x
    x = 9,808,240,139,721/1,503,940.50
  6. Step 6: Final answer
    x = 6,521,694.27

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.