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Finding the Third Proportional to 611.50 and 927

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Solution

The third proportional to 611.50 and 927 is: 1,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.50 : 927 = 927 : x
  2. Step 2: Convert to fraction form
    611.50/927 = 927/x
  3. Step 3: Cross multiply
    611.50x = 927 × 927
  4. Step 4: Simplify right side
    611.50x = 859,329
  5. Step 5: Solve for x
    x = 859,329/611.50
  6. Step 6: Final answer
    x = 1,405.28

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.