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Finding the Third Proportional to 246.94 and 381

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Solution

The third proportional to 246.94 and 381 is: 587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.94 : 381 = 381 : x
  2. Step 2: Convert to fraction form
    246.94/381 = 381/x
  3. Step 3: Cross multiply
    246.94x = 381 × 381
  4. Step 4: Simplify right side
    246.94x = 145,161
  5. Step 5: Solve for x
    x = 145,161/246.94
  6. Step 6: Final answer
    x = 587.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.