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Finding the Third Proportional to 18,940.50 and 41,157

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Solution

The third proportional to 18,940.50 and 41,157 is: 89,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.50 : 41,157 = 41,157 : x
  2. Step 2: Convert to fraction form
    18,940.50/41,157 = 41,157/x
  3. Step 3: Cross multiply
    18,940.50x = 41,157 × 41,157
  4. Step 4: Simplify right side
    18,940.50x = 1,693,898,649
  5. Step 5: Solve for x
    x = 1,693,898,649/18,940.50
  6. Step 6: Final answer
    x = 89,432.63

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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.