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Finding the Third Proportional to 523.50 and 850.75

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Solution

The third proportional to 523.50 and 850.75 is: 1,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.50 : 850.75 = 850.75 : x
  2. Step 2: Convert to fraction form
    523.50/850.75 = 850.75/x
  3. Step 3: Cross multiply
    523.50x = 850.75 × 850.75
  4. Step 4: Simplify right side
    523.50x = 723,775.56
  5. Step 5: Solve for x
    x = 723,775.56/523.50
  6. Step 6: Final answer
    x = 1,382.57

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.