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Finding the Third Proportional to 123,510 and 251,394

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Solution

The third proportional to 123,510 and 251,394 is: 511,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,510 : 251,394 = 251,394 : x
  2. Step 2: Convert to fraction form
    123,510/251,394 = 251,394/x
  3. Step 3: Cross multiply
    123,510x = 251,394 × 251,394
  4. Step 4: Simplify right side
    123,510x = 63,198,943,236
  5. Step 5: Solve for x
    x = 63,198,943,236/123,510
  6. Step 6: Final answer
    x = 511,690.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.