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Finding the Third Proportional to 997.75 and 1,523.75

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Solution

The third proportional to 997.75 and 1,523.75 is: 2,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.75 : 1,523.75 = 1,523.75 : x
  2. Step 2: Convert to fraction form
    997.75/1,523.75 = 1,523.75/x
  3. Step 3: Cross multiply
    997.75x = 1,523.75 × 1,523.75
  4. Step 4: Simplify right side
    997.75x = 2,321,814.06
  5. Step 5: Solve for x
    x = 2,321,814.06/997.75
  6. Step 6: Final answer
    x = 2,327.05

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.