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Finding the Third Proportional to 3,328,754.91 and 7,171,729.03

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Solution

The third proportional to 3,328,754.91 and 7,171,729.03 is: 15,451,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,754.91 : 7,171,729.03 = 7,171,729.03 : x
  2. Step 2: Convert to fraction form
    3,328,754.91/7,171,729.03 = 7,171,729.03/x
  3. Step 3: Cross multiply
    3,328,754.91x = 7,171,729.03 × 7,171,729.03
  4. Step 4: Simplify right side
    3,328,754.91x = 51,433,697,297,674.06
  5. Step 5: Solve for x
    x = 51,433,697,297,674.06/3,328,754.91
  6. Step 6: Final answer
    x = 15,451,332.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.