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Finding the Third Proportional to 238 and 471

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Solution

The third proportional to 238 and 471 is: 932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238 : 471 = 471 : x
  2. Step 2: Convert to fraction form
    238/471 = 471/x
  3. Step 3: Cross multiply
    238x = 471 × 471
  4. Step 4: Simplify right side
    238x = 221,841
  5. Step 5: Solve for x
    x = 221,841/238
  6. Step 6: Final answer
    x = 932.11

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.