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Finding the Third Proportional to 394.13 and 527.63

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Solution

The third proportional to 394.13 and 527.63 is: 706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.13 : 527.63 = 527.63 : x
  2. Step 2: Convert to fraction form
    394.13/527.63 = 527.63/x
  3. Step 3: Cross multiply
    394.13x = 527.63 × 527.63
  4. Step 4: Simplify right side
    394.13x = 278,388.14
  5. Step 5: Solve for x
    x = 278,388.14/394.13
  6. Step 6: Final answer
    x = 706.34

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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.