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Finding the Third Proportional to 174.19 and 383.25

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Solution

The third proportional to 174.19 and 383.25 is: 843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.19 : 383.25 = 383.25 : x
  2. Step 2: Convert to fraction form
    174.19/383.25 = 383.25/x
  3. Step 3: Cross multiply
    174.19x = 383.25 × 383.25
  4. Step 4: Simplify right side
    174.19x = 146,880.56
  5. Step 5: Solve for x
    x = 146,880.56/174.19
  6. Step 6: Final answer
    x = 843.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.