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Finding the Third Proportional to 251.50 and 376.38

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Solution

The third proportional to 251.50 and 376.38 is: 563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.50 : 376.38 = 376.38 : x
  2. Step 2: Convert to fraction form
    251.50/376.38 = 376.38/x
  3. Step 3: Cross multiply
    251.50x = 376.38 × 376.38
  4. Step 4: Simplify right side
    251.50x = 141,658.14
  5. Step 5: Solve for x
    x = 141,658.14/251.50
  6. Step 6: Final answer
    x = 563.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.