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Finding the Third Proportional to 19,415.50 and 41,375

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Solution

The third proportional to 19,415.50 and 41,375 is: 88,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.50 : 41,375 = 41,375 : x
  2. Step 2: Convert to fraction form
    19,415.50/41,375 = 41,375/x
  3. Step 3: Cross multiply
    19,415.50x = 41,375 × 41,375
  4. Step 4: Simplify right side
    19,415.50x = 1,711,890,625
  5. Step 5: Solve for x
    x = 1,711,890,625/19,415.50
  6. Step 6: Final answer
    x = 88,171.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.