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Finding the Third Proportional to 523.25 and 836.38

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Solution

The third proportional to 523.25 and 836.38 is: 1,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.25 : 836.38 = 836.38 : x
  2. Step 2: Convert to fraction form
    523.25/836.38 = 836.38/x
  3. Step 3: Cross multiply
    523.25x = 836.38 × 836.38
  4. Step 4: Simplify right side
    523.25x = 699,523.14
  5. Step 5: Solve for x
    x = 699,523.14/523.25
  6. Step 6: Final answer
    x = 1,336.88

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.