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Finding the Third Proportional to 238 and 324.50

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Solution

The third proportional to 238 and 324.50 is: 442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238 : 324.50 = 324.50 : x
  2. Step 2: Convert to fraction form
    238/324.50 = 324.50/x
  3. Step 3: Cross multiply
    238x = 324.50 × 324.50
  4. Step 4: Simplify right side
    238x = 105,300.25
  5. Step 5: Solve for x
    x = 105,300.25/238
  6. Step 6: Final answer
    x = 442.44

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.