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Finding the Third Proportional to 5,192.44 and 7,787.25

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Solution

The third proportional to 5,192.44 and 7,787.25 is: 11,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.44 : 7,787.25 = 7,787.25 : x
  2. Step 2: Convert to fraction form
    5,192.44/7,787.25 = 7,787.25/x
  3. Step 3: Cross multiply
    5,192.44x = 7,787.25 × 7,787.25
  4. Step 4: Simplify right side
    5,192.44x = 60,641,262.56
  5. Step 5: Solve for x
    x = 60,641,262.56/5,192.44
  6. Step 6: Final answer
    x = 11,678.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.