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Finding the Third Proportional to 203,560 and 299,257

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Solution

The third proportional to 203,560 and 299,257 is: 439,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,560 : 299,257 = 299,257 : x
  2. Step 2: Convert to fraction form
    203,560/299,257 = 299,257/x
  3. Step 3: Cross multiply
    203,560x = 299,257 × 299,257
  4. Step 4: Simplify right side
    203,560x = 89,554,752,049
  5. Step 5: Solve for x
    x = 89,554,752,049/203,560
  6. Step 6: Final answer
    x = 439,942.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.