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Finding the Third Proportional to 2,471.75 and 5,399.75

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Solution

The third proportional to 2,471.75 and 5,399.75 is: 11,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.75 : 5,399.75 = 5,399.75 : x
  2. Step 2: Convert to fraction form
    2,471.75/5,399.75 = 5,399.75/x
  3. Step 3: Cross multiply
    2,471.75x = 5,399.75 × 5,399.75
  4. Step 4: Simplify right side
    2,471.75x = 29,157,300.06
  5. Step 5: Solve for x
    x = 29,157,300.06/2,471.75
  6. Step 6: Final answer
    x = 11,796.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.