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Finding the Third Proportional to 372.25 and 531.63

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Solution

The third proportional to 372.25 and 531.63 is: 759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.25 : 531.63 = 531.63 : x
  2. Step 2: Convert to fraction form
    372.25/531.63 = 531.63/x
  3. Step 3: Cross multiply
    372.25x = 531.63 × 531.63
  4. Step 4: Simplify right side
    372.25x = 282,625.14
  5. Step 5: Solve for x
    x = 282,625.14/372.25
  6. Step 6: Final answer
    x = 759.23

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.