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Finding the Third Proportional to 199,443 and 430,193

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Solution

The third proportional to 199,443 and 430,193 is: 927,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,443 : 430,193 = 430,193 : x
  2. Step 2: Convert to fraction form
    199,443/430,193 = 430,193/x
  3. Step 3: Cross multiply
    199,443x = 430,193 × 430,193
  4. Step 4: Simplify right side
    199,443x = 185,066,017,249
  5. Step 5: Solve for x
    x = 185,066,017,249/199,443
  6. Step 6: Final answer
    x = 927,914.33

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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.