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Finding the Third Proportional to 118,843.88 and 261,015.75

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Solution

The third proportional to 118,843.88 and 261,015.75 is: 573,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,843.88 : 261,015.75 = 261,015.75 : x
  2. Step 2: Convert to fraction form
    118,843.88/261,015.75 = 261,015.75/x
  3. Step 3: Cross multiply
    118,843.88x = 261,015.75 × 261,015.75
  4. Step 4: Simplify right side
    118,843.88x = 68,129,221,748.06
  5. Step 5: Solve for x
    x = 68,129,221,748.06/118,843.88
  6. Step 6: Final answer
    x = 573,266.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.