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Finding the Third Proportional to 127,772 and 271,934

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Solution

The third proportional to 127,772 and 271,934 is: 578,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,772 : 271,934 = 271,934 : x
  2. Step 2: Convert to fraction form
    127,772/271,934 = 271,934/x
  3. Step 3: Cross multiply
    127,772x = 271,934 × 271,934
  4. Step 4: Simplify right side
    127,772x = 73,948,100,356
  5. Step 5: Solve for x
    x = 73,948,100,356/127,772
  6. Step 6: Final answer
    x = 578,750.43

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.