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Finding the Third Proportional to 176,553.75 and 261,396.75

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Solution

The third proportional to 176,553.75 and 261,396.75 is: 387,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,553.75 : 261,396.75 = 261,396.75 : x
  2. Step 2: Convert to fraction form
    176,553.75/261,396.75 = 261,396.75/x
  3. Step 3: Cross multiply
    176,553.75x = 261,396.75 × 261,396.75
  4. Step 4: Simplify right side
    176,553.75x = 68,328,260,910.56
  5. Step 5: Solve for x
    x = 68,328,260,910.56/176,553.75
  6. Step 6: Final answer
    x = 387,011.10

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.