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Finding the Third Proportional to 5,138.44 and 7,598.81

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Solution

The third proportional to 5,138.44 and 7,598.81 is: 11,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.44 : 7,598.81 = 7,598.81 : x
  2. Step 2: Convert to fraction form
    5,138.44/7,598.81 = 7,598.81/x
  3. Step 3: Cross multiply
    5,138.44x = 7,598.81 × 7,598.81
  4. Step 4: Simplify right side
    5,138.44x = 57,741,951.41
  5. Step 5: Solve for x
    x = 57,741,951.41/5,138.44
  6. Step 6: Final answer
    x = 11,237.26

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.