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Finding the Third Proportional to 258,897 and 535,767

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Solution

The third proportional to 258,897 and 535,767 is: 1,108,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,897 : 535,767 = 535,767 : x
  2. Step 2: Convert to fraction form
    258,897/535,767 = 535,767/x
  3. Step 3: Cross multiply
    258,897x = 535,767 × 535,767
  4. Step 4: Simplify right side
    258,897x = 287,046,278,289
  5. Step 5: Solve for x
    x = 287,046,278,289/258,897
  6. Step 6: Final answer
    x = 1,108,727.71

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.