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Finding the Third Proportional to 136,664 and 300,234

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Solution

The third proportional to 136,664 and 300,234 is: 659,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,664 : 300,234 = 300,234 : x
  2. Step 2: Convert to fraction form
    136,664/300,234 = 300,234/x
  3. Step 3: Cross multiply
    136,664x = 300,234 × 300,234
  4. Step 4: Simplify right side
    136,664x = 90,140,454,756
  5. Step 5: Solve for x
    x = 90,140,454,756/136,664
  6. Step 6: Final answer
    x = 659,577.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.