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Finding the Third Proportional to 135,864 and 297,945

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Solution

The third proportional to 135,864 and 297,945 is: 653,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,864 : 297,945 = 297,945 : x
  2. Step 2: Convert to fraction form
    135,864/297,945 = 297,945/x
  3. Step 3: Cross multiply
    135,864x = 297,945 × 297,945
  4. Step 4: Simplify right side
    135,864x = 88,771,223,025
  5. Step 5: Solve for x
    x = 88,771,223,025/135,864
  6. Step 6: Final answer
    x = 653,382.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.