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Finding the Third Proportional to 2,257,816.50 and 3,218,550.75

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Solution

The third proportional to 2,257,816.50 and 3,218,550.75 is: 4,588,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,816.50 : 3,218,550.75 = 3,218,550.75 : x
  2. Step 2: Convert to fraction form
    2,257,816.50/3,218,550.75 = 3,218,550.75/x
  3. Step 3: Cross multiply
    2,257,816.50x = 3,218,550.75 × 3,218,550.75
  4. Step 4: Simplify right side
    2,257,816.50x = 10,359,068,930,325.56
  5. Step 5: Solve for x
    x = 10,359,068,930,325.56/2,257,816.50
  6. Step 6: Final answer
    x = 4,588,091.61

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.