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Finding the Third Proportional to 240.75 and 377.25

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Solution

The third proportional to 240.75 and 377.25 is: 591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.75 : 377.25 = 377.25 : x
  2. Step 2: Convert to fraction form
    240.75/377.25 = 377.25/x
  3. Step 3: Cross multiply
    240.75x = 377.25 × 377.25
  4. Step 4: Simplify right side
    240.75x = 142,317.56
  5. Step 5: Solve for x
    x = 142,317.56/240.75
  6. Step 6: Final answer
    x = 591.14

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.