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Finding the Third Proportional to 127,793 and 263,781

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Solution

The third proportional to 127,793 and 263,781 is: 544,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793 : 263,781 = 263,781 : x
  2. Step 2: Convert to fraction form
    127,793/263,781 = 263,781/x
  3. Step 3: Cross multiply
    127,793x = 263,781 × 263,781
  4. Step 4: Simplify right side
    127,793x = 69,580,415,961
  5. Step 5: Solve for x
    x = 69,580,415,961/127,793
  6. Step 6: Final answer
    x = 544,477.52

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.