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Finding the Third Proportional to 174,976 and 386,048

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Solution

The third proportional to 174,976 and 386,048 is: 851,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,976 : 386,048 = 386,048 : x
  2. Step 2: Convert to fraction form
    174,976/386,048 = 386,048/x
  3. Step 3: Cross multiply
    174,976x = 386,048 × 386,048
  4. Step 4: Simplify right side
    174,976x = 149,033,058,304
  5. Step 5: Solve for x
    x = 149,033,058,304/174,976
  6. Step 6: Final answer
    x = 851,734.29

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.