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Finding the Third Proportional to 127,080 and 271,611

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Solution

The third proportional to 127,080 and 271,611 is: 580,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080 : 271,611 = 271,611 : x
  2. Step 2: Convert to fraction form
    127,080/271,611 = 271,611/x
  3. Step 3: Cross multiply
    127,080x = 271,611 × 271,611
  4. Step 4: Simplify right side
    127,080x = 73,772,535,321
  5. Step 5: Solve for x
    x = 73,772,535,321/127,080
  6. Step 6: Final answer
    x = 580,520.42

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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.