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Finding the Third Proportional to 230 and 415.50

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Solution

The third proportional to 230 and 415.50 is: 750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230 : 415.50 = 415.50 : x
  2. Step 2: Convert to fraction form
    230/415.50 = 415.50/x
  3. Step 3: Cross multiply
    230x = 415.50 × 415.50
  4. Step 4: Simplify right side
    230x = 172,640.25
  5. Step 5: Solve for x
    x = 172,640.25/230
  6. Step 6: Final answer
    x = 750.61

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These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.