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Finding the Third Proportional to 127,755.75 and 268,752.75

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Solution

The third proportional to 127,755.75 and 268,752.75 is: 565,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,755.75 : 268,752.75 = 268,752.75 : x
  2. Step 2: Convert to fraction form
    127,755.75/268,752.75 = 268,752.75/x
  3. Step 3: Cross multiply
    127,755.75x = 268,752.75 × 268,752.75
  4. Step 4: Simplify right side
    127,755.75x = 72,228,040,632.56
  5. Step 5: Solve for x
    x = 72,228,040,632.56/127,755.75
  6. Step 6: Final answer
    x = 565,360.39

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.