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Finding the Third Proportional to 177,648 and 380,616

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Solution

The third proportional to 177,648 and 380,616 is: 815,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,648 : 380,616 = 380,616 : x
  2. Step 2: Convert to fraction form
    177,648/380,616 = 380,616/x
  3. Step 3: Cross multiply
    177,648x = 380,616 × 380,616
  4. Step 4: Simplify right side
    177,648x = 144,868,539,456
  5. Step 5: Solve for x
    x = 144,868,539,456/177,648
  6. Step 6: Final answer
    x = 815,480.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.