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Finding the Third Proportional to 172,342.69 and 372,357

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Solution

The third proportional to 172,342.69 and 372,357 is: 804,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,342.69 : 372,357 = 372,357 : x
  2. Step 2: Convert to fraction form
    172,342.69/372,357 = 372,357/x
  3. Step 3: Cross multiply
    172,342.69x = 372,357 × 372,357
  4. Step 4: Simplify right side
    172,342.69x = 138,649,735,449
  5. Step 5: Solve for x
    x = 138,649,735,449/172,342.69
  6. Step 6: Final answer
    x = 804,500.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.