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Finding the Third Proportional to 190.50 and 272

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Solution

The third proportional to 190.50 and 272 is: 388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.50 : 272 = 272 : x
  2. Step 2: Convert to fraction form
    190.50/272 = 272/x
  3. Step 3: Cross multiply
    190.50x = 272 × 272
  4. Step 4: Simplify right side
    190.50x = 73,984
  5. Step 5: Solve for x
    x = 73,984/190.50
  6. Step 6: Final answer
    x = 388.37

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.