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Finding the Third Proportional to 3,408.94 and 5,000.81

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Solution

The third proportional to 3,408.94 and 5,000.81 is: 7,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.94 : 5,000.81 = 5,000.81 : x
  2. Step 2: Convert to fraction form
    3,408.94/5,000.81 = 5,000.81/x
  3. Step 3: Cross multiply
    3,408.94x = 5,000.81 × 5,000.81
  4. Step 4: Simplify right side
    3,408.94x = 25,008,125.66
  5. Step 5: Solve for x
    x = 25,008,125.66/3,408.94
  6. Step 6: Final answer
    x = 7,336.05

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.