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Finding the Third Proportional to 251.94 and 378.03

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Solution

The third proportional to 251.94 and 378.03 is: 567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.94 : 378.03 = 378.03 : x
  2. Step 2: Convert to fraction form
    251.94/378.03 = 378.03/x
  3. Step 3: Cross multiply
    251.94x = 378.03 × 378.03
  4. Step 4: Simplify right side
    251.94x = 142,903.93
  5. Step 5: Solve for x
    x = 142,903.93/251.94
  6. Step 6: Final answer
    x = 567.22

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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.