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Finding the Third Proportional to 118,451.25 and 255,867.75

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Solution

The third proportional to 118,451.25 and 255,867.75 is: 552,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.25 : 255,867.75 = 255,867.75 : x
  2. Step 2: Convert to fraction form
    118,451.25/255,867.75 = 255,867.75/x
  3. Step 3: Cross multiply
    118,451.25x = 255,867.75 × 255,867.75
  4. Step 4: Simplify right side
    118,451.25x = 65,468,305,490.06
  5. Step 5: Solve for x
    x = 65,468,305,490.06/118,451.25
  6. Step 6: Final answer
    x = 552,702.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.