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Finding the Third Proportional to 234.50 and 530

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Solution

The third proportional to 234.50 and 530 is: 1,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.50 : 530 = 530 : x
  2. Step 2: Convert to fraction form
    234.50/530 = 530/x
  3. Step 3: Cross multiply
    234.50x = 530 × 530
  4. Step 4: Simplify right side
    234.50x = 280,900
  5. Step 5: Solve for x
    x = 280,900/234.50
  6. Step 6: Final answer
    x = 1,197.87

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.