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Finding the Third Proportional to 813.50 and 2,192

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Solution

The third proportional to 813.50 and 2,192 is: 5,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813.50 : 2,192 = 2,192 : x
  2. Step 2: Convert to fraction form
    813.50/2,192 = 2,192/x
  3. Step 3: Cross multiply
    813.50x = 2,192 × 2,192
  4. Step 4: Simplify right side
    813.50x = 4,804,864
  5. Step 5: Solve for x
    x = 4,804,864/813.50
  6. Step 6: Final answer
    x = 5,906.41

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.