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Finding the Third Proportional to 127,170 and 271,728

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Solution

The third proportional to 127,170 and 271,728 is: 580,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,170 : 271,728 = 271,728 : x
  2. Step 2: Convert to fraction form
    127,170/271,728 = 271,728/x
  3. Step 3: Cross multiply
    127,170x = 271,728 × 271,728
  4. Step 4: Simplify right side
    127,170x = 73,836,105,984
  5. Step 5: Solve for x
    x = 73,836,105,984/127,170
  6. Step 6: Final answer
    x = 580,609.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.