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Finding the Third Proportional to 230.34 and 491.06

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Solution

The third proportional to 230.34 and 491.06 is: 1,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.34 : 491.06 = 491.06 : x
  2. Step 2: Convert to fraction form
    230.34/491.06 = 491.06/x
  3. Step 3: Cross multiply
    230.34x = 491.06 × 491.06
  4. Step 4: Simplify right side
    230.34x = 241,142.38
  5. Step 5: Solve for x
    x = 241,142.38/230.34
  6. Step 6: Final answer
    x = 1,046.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.