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Finding the Third Proportional to 135,369 and 297,738

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Solution

The third proportional to 135,369 and 297,738 is: 654,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,369 : 297,738 = 297,738 : x
  2. Step 2: Convert to fraction form
    135,369/297,738 = 297,738/x
  3. Step 3: Cross multiply
    135,369x = 297,738 × 297,738
  4. Step 4: Simplify right side
    135,369x = 88,647,916,644
  5. Step 5: Solve for x
    x = 88,647,916,644/135,369
  6. Step 6: Final answer
    x = 654,861.28

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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.