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Finding the Third Proportional to 369.25 and 501.25

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Solution

The third proportional to 369.25 and 501.25 is: 680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.25 : 501.25 = 501.25 : x
  2. Step 2: Convert to fraction form
    369.25/501.25 = 501.25/x
  3. Step 3: Cross multiply
    369.25x = 501.25 × 501.25
  4. Step 4: Simplify right side
    369.25x = 251,251.56
  5. Step 5: Solve for x
    x = 251,251.56/369.25
  6. Step 6: Final answer
    x = 680.44

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.