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Finding the Third Proportional to 206,068.50 and 439,137

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Solution

The third proportional to 206,068.50 and 439,137 is: 935,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,068.50 : 439,137 = 439,137 : x
  2. Step 2: Convert to fraction form
    206,068.50/439,137 = 439,137/x
  3. Step 3: Cross multiply
    206,068.50x = 439,137 × 439,137
  4. Step 4: Simplify right side
    206,068.50x = 192,841,304,769
  5. Step 5: Solve for x
    x = 192,841,304,769/206,068.50
  6. Step 6: Final answer
    x = 935,811.66

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.