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Finding the Third Proportional to 74.50 and 193

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Solution

The third proportional to 74.50 and 193 is: 499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.50 : 193 = 193 : x
  2. Step 2: Convert to fraction form
    74.50/193 = 193/x
  3. Step 3: Cross multiply
    74.50x = 193 × 193
  4. Step 4: Simplify right side
    74.50x = 37,249
  5. Step 5: Solve for x
    x = 37,249/74.50
  6. Step 6: Final answer
    x = 499.99

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.