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Finding the Third Proportional to 173,398 and 372,662

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Solution

The third proportional to 173,398 and 372,662 is: 800,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398 : 372,662 = 372,662 : x
  2. Step 2: Convert to fraction form
    173,398/372,662 = 372,662/x
  3. Step 3: Cross multiply
    173,398x = 372,662 × 372,662
  4. Step 4: Simplify right side
    173,398x = 138,876,966,244
  5. Step 5: Solve for x
    x = 138,876,966,244/173,398
  6. Step 6: Final answer
    x = 800,914.46

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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.