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Finding the Third Proportional to 118,851.75 and 261,029.25

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Solution

The third proportional to 118,851.75 and 261,029.25 is: 573,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.75 : 261,029.25 = 261,029.25 : x
  2. Step 2: Convert to fraction form
    118,851.75/261,029.25 = 261,029.25/x
  3. Step 3: Cross multiply
    118,851.75x = 261,029.25 × 261,029.25
  4. Step 4: Simplify right side
    118,851.75x = 68,136,269,355.56
  5. Step 5: Solve for x
    x = 68,136,269,355.56/118,851.75
  6. Step 6: Final answer
    x = 573,287.89

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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.