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Finding the Third Proportional to 18,999.35 and 41,343.12

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Solution

The third proportional to 18,999.35 and 41,343.12 is: 89,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.35 : 41,343.12 = 41,343.12 : x
  2. Step 2: Convert to fraction form
    18,999.35/41,343.12 = 41,343.12/x
  3. Step 3: Cross multiply
    18,999.35x = 41,343.12 × 41,343.12
  4. Step 4: Simplify right side
    18,999.35x = 1,709,253,338.78
  5. Step 5: Solve for x
    x = 1,709,253,338.78/18,999.35
  6. Step 6: Final answer
    x = 89,963.77

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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.