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Finding the Third Proportional to 171,720.38 and 372,996.75

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Solution

The third proportional to 171,720.38 and 372,996.75 is: 810,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,720.38 : 372,996.75 = 372,996.75 : x
  2. Step 2: Convert to fraction form
    171,720.38/372,996.75 = 372,996.75/x
  3. Step 3: Cross multiply
    171,720.38x = 372,996.75 × 372,996.75
  4. Step 4: Simplify right side
    171,720.38x = 139,126,575,510.56
  5. Step 5: Solve for x
    x = 139,126,575,510.56/171,720.38
  6. Step 6: Final answer
    x = 810,192.59

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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.