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Finding the Third Proportional to 172,347.25 and 372,364.75

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Solution

The third proportional to 172,347.25 and 372,364.75 is: 804,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,347.25 : 372,364.75 = 372,364.75 : x
  2. Step 2: Convert to fraction form
    172,347.25/372,364.75 = 372,364.75/x
  3. Step 3: Cross multiply
    172,347.25x = 372,364.75 × 372,364.75
  4. Step 4: Simplify right side
    172,347.25x = 138,655,507,042.56
  5. Step 5: Solve for x
    x = 138,655,507,042.56/172,347.25
  6. Step 6: Final answer
    x = 804,512.44

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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.