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Finding the Third Proportional to 234 and 513.38

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Solution

The third proportional to 234 and 513.38 is: 1,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234 : 513.38 = 513.38 : x
  2. Step 2: Convert to fraction form
    234/513.38 = 513.38/x
  3. Step 3: Cross multiply
    234x = 513.38 × 513.38
  4. Step 4: Simplify right side
    234x = 263,553.89
  5. Step 5: Solve for x
    x = 263,553.89/234
  6. Step 6: Final answer
    x = 1,126.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.