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Finding the Third Proportional to 83,419 and 179,953

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Solution

The third proportional to 83,419 and 179,953 is: 388,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419 : 179,953 = 179,953 : x
  2. Step 2: Convert to fraction form
    83,419/179,953 = 179,953/x
  3. Step 3: Cross multiply
    83,419x = 179,953 × 179,953
  4. Step 4: Simplify right side
    83,419x = 32,383,082,209
  5. Step 5: Solve for x
    x = 32,383,082,209/83,419
  6. Step 6: Final answer
    x = 388,197.92

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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.