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Finding the Third Proportional to 3,226.50 and 6,994.69

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Solution

The third proportional to 3,226.50 and 6,994.69 is: 15,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.50 : 6,994.69 = 6,994.69 : x
  2. Step 2: Convert to fraction form
    3,226.50/6,994.69 = 6,994.69/x
  3. Step 3: Cross multiply
    3,226.50x = 6,994.69 × 6,994.69
  4. Step 4: Simplify right side
    3,226.50x = 48,925,653.22
  5. Step 5: Solve for x
    x = 48,925,653.22/3,226.50
  6. Step 6: Final answer
    x = 15,163.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.