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Finding the Third Proportional to 3,228,781.50 and 7,025,089.50

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Solution

The third proportional to 3,228,781.50 and 7,025,089.50 is: 15,284,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,781.50 : 7,025,089.50 = 7,025,089.50 : x
  2. Step 2: Convert to fraction form
    3,228,781.50/7,025,089.50 = 7,025,089.50/x
  3. Step 3: Cross multiply
    3,228,781.50x = 7,025,089.50 × 7,025,089.50
  4. Step 4: Simplify right side
    3,228,781.50x = 49,351,882,483,010.25
  5. Step 5: Solve for x
    x = 49,351,882,483,010.25/3,228,781.50
  6. Step 6: Final answer
    x = 15,284,986.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.