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Finding the Third Proportional to 18,908.44 and 41,132.81

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Solution

The third proportional to 18,908.44 and 41,132.81 is: 89,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.44 : 41,132.81 = 41,132.81 : x
  2. Step 2: Convert to fraction form
    18,908.44/41,132.81 = 41,132.81/x
  3. Step 3: Cross multiply
    18,908.44x = 41,132.81 × 41,132.81
  4. Step 4: Simplify right side
    18,908.44x = 1,691,908,264.16
  5. Step 5: Solve for x
    x = 1,691,908,264.16/18,908.44
  6. Step 6: Final answer
    x = 89,479.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.