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Finding the Third Proportional to 199,638 and 433,782

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Solution

The third proportional to 199,638 and 433,782 is: 942,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,638 : 433,782 = 433,782 : x
  2. Step 2: Convert to fraction form
    199,638/433,782 = 433,782/x
  3. Step 3: Cross multiply
    199,638x = 433,782 × 433,782
  4. Step 4: Simplify right side
    199,638x = 188,166,823,524
  5. Step 5: Solve for x
    x = 188,166,823,524/199,638
  6. Step 6: Final answer
    x = 942,540.12

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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.