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Finding the Third Proportional to 331.17 and 527.13

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Solution

The third proportional to 331.17 and 527.13 is: 839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.17 : 527.13 = 527.13 : x
  2. Step 2: Convert to fraction form
    331.17/527.13 = 527.13/x
  3. Step 3: Cross multiply
    331.17x = 527.13 × 527.13
  4. Step 4: Simplify right side
    331.17x = 277,869.00
  5. Step 5: Solve for x
    x = 277,869.00/331.17
  6. Step 6: Final answer
    x = 839.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.