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Finding the Third Proportional to 171.75 and 370.25

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Solution

The third proportional to 171.75 and 370.25 is: 798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.75 : 370.25 = 370.25 : x
  2. Step 2: Convert to fraction form
    171.75/370.25 = 370.25/x
  3. Step 3: Cross multiply
    171.75x = 370.25 × 370.25
  4. Step 4: Simplify right side
    171.75x = 137,085.06
  5. Step 5: Solve for x
    x = 137,085.06/171.75
  6. Step 6: Final answer
    x = 798.17

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.