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Finding the Third Proportional to 4,687,809.75 and 7,044,198.75

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Solution

The third proportional to 4,687,809.75 and 7,044,198.75 is: 10,585,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687,809.75 : 7,044,198.75 = 7,044,198.75 : x
  2. Step 2: Convert to fraction form
    4,687,809.75/7,044,198.75 = 7,044,198.75/x
  3. Step 3: Cross multiply
    4,687,809.75x = 7,044,198.75 × 7,044,198.75
  4. Step 4: Simplify right side
    4,687,809.75x = 49,620,736,029,501.56
  5. Step 5: Solve for x
    x = 49,620,736,029,501.56/4,687,809.75
  6. Step 6: Final answer
    x = 10,585,057.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.