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Finding the Third Proportional to 434.25 and 927

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Solution

The third proportional to 434.25 and 927 is: 1,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.25 : 927 = 927 : x
  2. Step 2: Convert to fraction form
    434.25/927 = 927/x
  3. Step 3: Cross multiply
    434.25x = 927 × 927
  4. Step 4: Simplify right side
    434.25x = 859,329
  5. Step 5: Solve for x
    x = 859,329/434.25
  6. Step 6: Final answer
    x = 1,978.88

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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.