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Finding the Third Proportional to 133,821 and 297,162

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Solution

The third proportional to 133,821 and 297,162 is: 659,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821 : 297,162 = 297,162 : x
  2. Step 2: Convert to fraction form
    133,821/297,162 = 297,162/x
  3. Step 3: Cross multiply
    133,821x = 297,162 × 297,162
  4. Step 4: Simplify right side
    133,821x = 88,305,254,244
  5. Step 5: Solve for x
    x = 88,305,254,244/133,821
  6. Step 6: Final answer
    x = 659,875.91

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.