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Finding the Third Proportional to 142,164 and 306,198

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Solution

The third proportional to 142,164 and 306,198 is: 659,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164 : 306,198 = 306,198 : x
  2. Step 2: Convert to fraction form
    142,164/306,198 = 306,198/x
  3. Step 3: Cross multiply
    142,164x = 306,198 × 306,198
  4. Step 4: Simplify right side
    142,164x = 93,757,215,204
  5. Step 5: Solve for x
    x = 93,757,215,204/142,164
  6. Step 6: Final answer
    x = 659,500.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.