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Finding the Third Proportional to 381.94 and 592.88

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Solution

The third proportional to 381.94 and 592.88 is: 920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.94 : 592.88 = 592.88 : x
  2. Step 2: Convert to fraction form
    381.94/592.88 = 592.88/x
  3. Step 3: Cross multiply
    381.94x = 592.88 × 592.88
  4. Step 4: Simplify right side
    381.94x = 351,500.77
  5. Step 5: Solve for x
    x = 351,500.77/381.94
  6. Step 6: Final answer
    x = 920.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.