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Finding the Third Proportional to 234.75 and 484.50

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Solution

The third proportional to 234.75 and 484.50 is: 999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.75 : 484.50 = 484.50 : x
  2. Step 2: Convert to fraction form
    234.75/484.50 = 484.50/x
  3. Step 3: Cross multiply
    234.75x = 484.50 × 484.50
  4. Step 4: Simplify right side
    234.75x = 234,740.25
  5. Step 5: Solve for x
    x = 234,740.25/234.75
  6. Step 6: Final answer
    x = 999.96

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.