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Finding the Third Proportional to 185.57 and 261.04

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Solution

The third proportional to 185.57 and 261.04 is: 367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.57 : 261.04 = 261.04 : x
  2. Step 2: Convert to fraction form
    185.57/261.04 = 261.04/x
  3. Step 3: Cross multiply
    185.57x = 261.04 × 261.04
  4. Step 4: Simplify right side
    185.57x = 68,139.35
  5. Step 5: Solve for x
    x = 68,139.35/185.57
  6. Step 6: Final answer
    x = 367.19

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.