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Finding the Third Proportional to 523.75 and 799.38

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Solution

The third proportional to 523.75 and 799.38 is: 1,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.75 : 799.38 = 799.38 : x
  2. Step 2: Convert to fraction form
    523.75/799.38 = 799.38/x
  3. Step 3: Cross multiply
    523.75x = 799.38 × 799.38
  4. Step 4: Simplify right side
    523.75x = 639,000.39
  5. Step 5: Solve for x
    x = 639,000.39/523.75
  6. Step 6: Final answer
    x = 1,220.05

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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.