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Finding the Third Proportional to 5,716.50 and 8,589.75

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Solution

The third proportional to 5,716.50 and 8,589.75 is: 12,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.50 : 8,589.75 = 8,589.75 : x
  2. Step 2: Convert to fraction form
    5,716.50/8,589.75 = 8,589.75/x
  3. Step 3: Cross multiply
    5,716.50x = 8,589.75 × 8,589.75
  4. Step 4: Simplify right side
    5,716.50x = 73,783,805.06
  5. Step 5: Solve for x
    x = 73,783,805.06/5,716.50
  6. Step 6: Final answer
    x = 12,907.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.