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Finding the Third Proportional to 5,787 and 6,975

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Solution

The third proportional to 5,787 and 6,975 is: 8,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787 : 6,975 = 6,975 : x
  2. Step 2: Convert to fraction form
    5,787/6,975 = 6,975/x
  3. Step 3: Cross multiply
    5,787x = 6,975 × 6,975
  4. Step 4: Simplify right side
    5,787x = 48,650,625
  5. Step 5: Solve for x
    x = 48,650,625/5,787
  6. Step 6: Final answer
    x = 8,406.88

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.