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Finding the Third Proportional to 18,961.50 and 41,232

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Solution

The third proportional to 18,961.50 and 41,232 is: 89,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.50 : 41,232 = 41,232 : x
  2. Step 2: Convert to fraction form
    18,961.50/41,232 = 41,232/x
  3. Step 3: Cross multiply
    18,961.50x = 41,232 × 41,232
  4. Step 4: Simplify right side
    18,961.50x = 1,700,077,824
  5. Step 5: Solve for x
    x = 1,700,077,824/18,961.50
  6. Step 6: Final answer
    x = 89,659.46

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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.