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Finding the Third Proportional to 177,555 and 382,176

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Solution

The third proportional to 177,555 and 382,176 is: 822,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,555 : 382,176 = 382,176 : x
  2. Step 2: Convert to fraction form
    177,555/382,176 = 382,176/x
  3. Step 3: Cross multiply
    177,555x = 382,176 × 382,176
  4. Step 4: Simplify right side
    177,555x = 146,058,494,976
  5. Step 5: Solve for x
    x = 146,058,494,976/177,555
  6. Step 6: Final answer
    x = 822,609.87

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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.