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Finding the Third Proportional to 199,408.50 and 433,809

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Solution

The third proportional to 199,408.50 and 433,809 is: 943,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,408.50 : 433,809 = 433,809 : x
  2. Step 2: Convert to fraction form
    199,408.50/433,809 = 433,809/x
  3. Step 3: Cross multiply
    199,408.50x = 433,809 × 433,809
  4. Step 4: Simplify right side
    199,408.50x = 188,190,248,481
  5. Step 5: Solve for x
    x = 188,190,248,481/199,408.50
  6. Step 6: Final answer
    x = 943,742.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.