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Finding the Third Proportional to 394 and 527.25

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Solution

The third proportional to 394 and 527.25 is: 705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394 : 527.25 = 527.25 : x
  2. Step 2: Convert to fraction form
    394/527.25 = 527.25/x
  3. Step 3: Cross multiply
    394x = 527.25 × 527.25
  4. Step 4: Simplify right side
    394x = 277,992.56
  5. Step 5: Solve for x
    x = 277,992.56/394
  6. Step 6: Final answer
    x = 705.56

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.