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Finding the Third Proportional to 65,218 and 99,198

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Solution

The third proportional to 65,218 and 99,198 is: 150,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218 : 99,198 = 99,198 : x
  2. Step 2: Convert to fraction form
    65,218/99,198 = 99,198/x
  3. Step 3: Cross multiply
    65,218x = 99,198 × 99,198
  4. Step 4: Simplify right side
    65,218x = 9,840,243,204
  5. Step 5: Solve for x
    x = 9,840,243,204/65,218
  6. Step 6: Final answer
    x = 150,882.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.