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Finding the Third Proportional to 18,901.13 and 41,020.88

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Solution

The third proportional to 18,901.13 and 41,020.88 is: 89,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.13 : 41,020.88 = 41,020.88 : x
  2. Step 2: Convert to fraction form
    18,901.13/41,020.88 = 41,020.88/x
  3. Step 3: Cross multiply
    18,901.13x = 41,020.88 × 41,020.88
  4. Step 4: Simplify right side
    18,901.13x = 1,682,712,185.77
  5. Step 5: Solve for x
    x = 1,682,712,185.77/18,901.13
  6. Step 6: Final answer
    x = 89,027.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.