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Finding the Third Proportional to 289,920 and 588,036

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Solution

The third proportional to 289,920 and 588,036 is: 1,192,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,920 : 588,036 = 588,036 : x
  2. Step 2: Convert to fraction form
    289,920/588,036 = 588,036/x
  3. Step 3: Cross multiply
    289,920x = 588,036 × 588,036
  4. Step 4: Simplify right side
    289,920x = 345,786,337,296
  5. Step 5: Solve for x
    x = 345,786,337,296/289,920
  6. Step 6: Final answer
    x = 1,192,695.70

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.