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Finding the Third Proportional to 172,932 and 372,546

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Solution

The third proportional to 172,932 and 372,546 is: 802,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,932 : 372,546 = 372,546 : x
  2. Step 2: Convert to fraction form
    172,932/372,546 = 372,546/x
  3. Step 3: Cross multiply
    172,932x = 372,546 × 372,546
  4. Step 4: Simplify right side
    172,932x = 138,790,522,116
  5. Step 5: Solve for x
    x = 138,790,522,116/172,932
  6. Step 6: Final answer
    x = 802,572.82

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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.