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Finding the Third Proportional to 18,938.81 and 41,193.56

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Solution

The third proportional to 18,938.81 and 41,193.56 is: 89,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.81 : 41,193.56 = 41,193.56 : x
  2. Step 2: Convert to fraction form
    18,938.81/41,193.56 = 41,193.56/x
  3. Step 3: Cross multiply
    18,938.81x = 41,193.56 × 41,193.56
  4. Step 4: Simplify right side
    18,938.81x = 1,696,909,591.44
  5. Step 5: Solve for x
    x = 1,696,909,591.44/18,938.81
  6. Step 6: Final answer
    x = 89,599.58

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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.