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Finding the Third Proportional to 3,245.91 and 6,923.81

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Solution

The third proportional to 3,245.91 and 6,923.81 is: 14,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.91 : 6,923.81 = 6,923.81 : x
  2. Step 2: Convert to fraction form
    3,245.91/6,923.81 = 6,923.81/x
  3. Step 3: Cross multiply
    3,245.91x = 6,923.81 × 6,923.81
  4. Step 4: Simplify right side
    3,245.91x = 47,939,179.54
  5. Step 5: Solve for x
    x = 47,939,179.54/3,245.91
  6. Step 6: Final answer
    x = 14,769.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.