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Finding the Third Proportional to 83,209 and 179,539

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Solution

The third proportional to 83,209 and 179,539 is: 387,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209 : 179,539 = 179,539 : x
  2. Step 2: Convert to fraction form
    83,209/179,539 = 179,539/x
  3. Step 3: Cross multiply
    83,209x = 179,539 × 179,539
  4. Step 4: Simplify right side
    83,209x = 32,234,252,521
  5. Step 5: Solve for x
    x = 32,234,252,521/83,209
  6. Step 6: Final answer
    x = 387,389.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.