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Finding the Third Proportional to 127,953 and 280,098

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Solution

The third proportional to 127,953 and 280,098 is: 613,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953 : 280,098 = 280,098 : x
  2. Step 2: Convert to fraction form
    127,953/280,098 = 280,098/x
  3. Step 3: Cross multiply
    127,953x = 280,098 × 280,098
  4. Step 4: Simplify right side
    127,953x = 78,454,889,604
  5. Step 5: Solve for x
    x = 78,454,889,604/127,953
  6. Step 6: Final answer
    x = 613,153.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.