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Finding the Third Proportional to 3,381.75 and 5,313.94

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Solution

The third proportional to 3,381.75 and 5,313.94 is: 8,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.75 : 5,313.94 = 5,313.94 : x
  2. Step 2: Convert to fraction form
    3,381.75/5,313.94 = 5,313.94/x
  3. Step 3: Cross multiply
    3,381.75x = 5,313.94 × 5,313.94
  4. Step 4: Simplify right side
    3,381.75x = 28,237,931.75
  5. Step 5: Solve for x
    x = 28,237,931.75/3,381.75
  6. Step 6: Final answer
    x = 8,350.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.