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Finding the Third Proportional to 699.19 and 927.56

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Solution

The third proportional to 699.19 and 927.56 is: 1,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.19 : 927.56 = 927.56 : x
  2. Step 2: Convert to fraction form
    699.19/927.56 = 927.56/x
  3. Step 3: Cross multiply
    699.19x = 927.56 × 927.56
  4. Step 4: Simplify right side
    699.19x = 860,372.19
  5. Step 5: Solve for x
    x = 860,372.19/699.19
  6. Step 6: Final answer
    x = 1,230.53

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.