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Finding the Third Proportional to 171,721.13 and 372,998.25

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Solution

The third proportional to 171,721.13 and 372,998.25 is: 810,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,721.13 : 372,998.25 = 372,998.25 : x
  2. Step 2: Convert to fraction form
    171,721.13/372,998.25 = 372,998.25/x
  3. Step 3: Cross multiply
    171,721.13x = 372,998.25 × 372,998.25
  4. Step 4: Simplify right side
    171,721.13x = 139,127,694,503.06
  5. Step 5: Solve for x
    x = 139,127,694,503.06/171,721.13
  6. Step 6: Final answer
    x = 810,195.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.