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Finding the Third Proportional to 171,104 and 399,815

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Solution

The third proportional to 171,104 and 399,815 is: 934,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,104 : 399,815 = 399,815 : x
  2. Step 2: Convert to fraction form
    171,104/399,815 = 399,815/x
  3. Step 3: Cross multiply
    171,104x = 399,815 × 399,815
  4. Step 4: Simplify right side
    171,104x = 159,852,034,225
  5. Step 5: Solve for x
    x = 159,852,034,225/171,104
  6. Step 6: Final answer
    x = 934,239.03

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.