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Finding the Third Proportional to 234.46 and 539.63

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Solution

The third proportional to 234.46 and 539.63 is: 1,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.46 : 539.63 = 539.63 : x
  2. Step 2: Convert to fraction form
    234.46/539.63 = 539.63/x
  3. Step 3: Cross multiply
    234.46x = 539.63 × 539.63
  4. Step 4: Simplify right side
    234.46x = 291,201.46
  5. Step 5: Solve for x
    x = 291,201.46/234.46
  6. Step 6: Final answer
    x = 1,242.02

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.