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Finding the Third Proportional to 3,247.75 and 4,644.38

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Solution

The third proportional to 3,247.75 and 4,644.38 is: 6,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.75 : 4,644.38 = 4,644.38 : x
  2. Step 2: Convert to fraction form
    3,247.75/4,644.38 = 4,644.38/x
  3. Step 3: Cross multiply
    3,247.75x = 4,644.38 × 4,644.38
  4. Step 4: Simplify right side
    3,247.75x = 21,570,219.14
  5. Step 5: Solve for x
    x = 21,570,219.14/3,247.75
  6. Step 6: Final answer
    x = 6,641.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.