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Finding the Third Proportional to 199,635 and 432,845

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Solution

The third proportional to 199,635 and 432,845 is: 938,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,635 : 432,845 = 432,845 : x
  2. Step 2: Convert to fraction form
    199,635/432,845 = 432,845/x
  3. Step 3: Cross multiply
    199,635x = 432,845 × 432,845
  4. Step 4: Simplify right side
    199,635x = 187,354,794,025
  5. Step 5: Solve for x
    x = 187,354,794,025/199,635
  6. Step 6: Final answer
    x = 938,486.71

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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.