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Finding the Third Proportional to 127,550.25 and 199,077.75

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Solution

The third proportional to 127,550.25 and 199,077.75 is: 310,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,550.25 : 199,077.75 = 199,077.75 : x
  2. Step 2: Convert to fraction form
    127,550.25/199,077.75 = 199,077.75/x
  3. Step 3: Cross multiply
    127,550.25x = 199,077.75 × 199,077.75
  4. Step 4: Simplify right side
    127,550.25x = 39,631,950,545.06
  5. Step 5: Solve for x
    x = 39,631,950,545.06/127,550.25
  6. Step 6: Final answer
    x = 310,716.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.