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Finding the Third Proportional to 269,958 and 581,388

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Solution

The third proportional to 269,958 and 581,388 is: 1,252,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,958 : 581,388 = 581,388 : x
  2. Step 2: Convert to fraction form
    269,958/581,388 = 581,388/x
  3. Step 3: Cross multiply
    269,958x = 581,388 × 581,388
  4. Step 4: Simplify right side
    269,958x = 338,012,006,544
  5. Step 5: Solve for x
    x = 338,012,006,544/269,958
  6. Step 6: Final answer
    x = 1,252,091.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.