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Finding the Third Proportional to 257,292 and 551,496

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Solution

The third proportional to 257,292 and 551,496 is: 1,182,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,292 : 551,496 = 551,496 : x
  2. Step 2: Convert to fraction form
    257,292/551,496 = 551,496/x
  3. Step 3: Cross multiply
    257,292x = 551,496 × 551,496
  4. Step 4: Simplify right side
    257,292x = 304,147,838,016
  5. Step 5: Solve for x
    x = 304,147,838,016/257,292
  6. Step 6: Final answer
    x = 1,182,111.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.