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Finding the Third Proportional to 173,372 and 259,356

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Solution

The third proportional to 173,372 and 259,356 is: 387,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,372 : 259,356 = 259,356 : x
  2. Step 2: Convert to fraction form
    173,372/259,356 = 259,356/x
  3. Step 3: Cross multiply
    173,372x = 259,356 × 259,356
  4. Step 4: Simplify right side
    173,372x = 67,265,534,736
  5. Step 5: Solve for x
    x = 67,265,534,736/173,372
  6. Step 6: Final answer
    x = 387,983.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.