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Finding the Third Proportional to 175.75 and 262.19

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Solution

The third proportional to 175.75 and 262.19 is: 391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.75 : 262.19 = 262.19 : x
  2. Step 2: Convert to fraction form
    175.75/262.19 = 262.19/x
  3. Step 3: Cross multiply
    175.75x = 262.19 × 262.19
  4. Step 4: Simplify right side
    175.75x = 68,742.29
  5. Step 5: Solve for x
    x = 68,742.29/175.75
  6. Step 6: Final answer
    x = 391.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.