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Finding the Third Proportional to 174.25 and 369.75

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Solution

The third proportional to 174.25 and 369.75 is: 784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.25 : 369.75 = 369.75 : x
  2. Step 2: Convert to fraction form
    174.25/369.75 = 369.75/x
  3. Step 3: Cross multiply
    174.25x = 369.75 × 369.75
  4. Step 4: Simplify right side
    174.25x = 136,715.06
  5. Step 5: Solve for x
    x = 136,715.06/174.25
  6. Step 6: Final answer
    x = 784.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.