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Finding the Third Proportional to 6,131.75 and 8,281

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Solution

The third proportional to 6,131.75 and 8,281 is: 11,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.75 : 8,281 = 8,281 : x
  2. Step 2: Convert to fraction form
    6,131.75/8,281 = 8,281/x
  3. Step 3: Cross multiply
    6,131.75x = 8,281 × 8,281
  4. Step 4: Simplify right side
    6,131.75x = 68,574,961
  5. Step 5: Solve for x
    x = 68,574,961/6,131.75
  6. Step 6: Final answer
    x = 11,183.59

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.