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Finding the Third Proportional to 4,131.75 and 5,889.75

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Solution

The third proportional to 4,131.75 and 5,889.75 is: 8,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.75 : 5,889.75 = 5,889.75 : x
  2. Step 2: Convert to fraction form
    4,131.75/5,889.75 = 5,889.75/x
  3. Step 3: Cross multiply
    4,131.75x = 5,889.75 × 5,889.75
  4. Step 4: Simplify right side
    4,131.75x = 34,689,155.06
  5. Step 5: Solve for x
    x = 34,689,155.06/4,131.75
  6. Step 6: Final answer
    x = 8,395.75

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.