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Finding the Third Proportional to 1,181 and 1,337

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Solution

The third proportional to 1,181 and 1,337 is: 1,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181 : 1,337 = 1,337 : x
  2. Step 2: Convert to fraction form
    1,181/1,337 = 1,337/x
  3. Step 3: Cross multiply
    1,181x = 1,337 × 1,337
  4. Step 4: Simplify right side
    1,181x = 1,787,569
  5. Step 5: Solve for x
    x = 1,787,569/1,181
  6. Step 6: Final answer
    x = 1,513.61

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.