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Finding the Third Proportional to 19,393.50 and 40,227

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Solution

The third proportional to 19,393.50 and 40,227 is: 83,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.50 : 40,227 = 40,227 : x
  2. Step 2: Convert to fraction form
    19,393.50/40,227 = 40,227/x
  3. Step 3: Cross multiply
    19,393.50x = 40,227 × 40,227
  4. Step 4: Simplify right side
    19,393.50x = 1,618,211,529
  5. Step 5: Solve for x
    x = 1,618,211,529/19,393.50
  6. Step 6: Final answer
    x = 83,440.92

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.