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Finding the Third Proportional to 179,932 and 387,544

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Solution

The third proportional to 179,932 and 387,544 is: 834,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,932 : 387,544 = 387,544 : x
  2. Step 2: Convert to fraction form
    179,932/387,544 = 387,544/x
  3. Step 3: Cross multiply
    179,932x = 387,544 × 387,544
  4. Step 4: Simplify right side
    179,932x = 150,190,351,936
  5. Step 5: Solve for x
    x = 150,190,351,936/179,932
  6. Step 6: Final answer
    x = 834,706.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.