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Finding the Third Proportional to 696.09 and 928.97

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Solution

The third proportional to 696.09 and 928.97 is: 1,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.09 : 928.97 = 928.97 : x
  2. Step 2: Convert to fraction form
    696.09/928.97 = 928.97/x
  3. Step 3: Cross multiply
    696.09x = 928.97 × 928.97
  4. Step 4: Simplify right side
    696.09x = 862,982.94
  5. Step 5: Solve for x
    x = 862,982.94/696.09
  6. Step 6: Final answer
    x = 1,239.75

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.