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Finding the Third Proportional to 133,838 and 297,200

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Solution

The third proportional to 133,838 and 297,200 is: 659,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838 : 297,200 = 297,200 : x
  2. Step 2: Convert to fraction form
    133,838/297,200 = 297,200/x
  3. Step 3: Cross multiply
    133,838x = 297,200 × 297,200
  4. Step 4: Simplify right side
    133,838x = 88,327,840,000
  5. Step 5: Solve for x
    x = 88,327,840,000/133,838
  6. Step 6: Final answer
    x = 659,960.85

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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.