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Finding the Third Proportional to 99,832 and 218,088

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Solution

The third proportional to 99,832 and 218,088 is: 476,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832 : 218,088 = 218,088 : x
  2. Step 2: Convert to fraction form
    99,832/218,088 = 218,088/x
  3. Step 3: Cross multiply
    99,832x = 218,088 × 218,088
  4. Step 4: Simplify right side
    99,832x = 47,562,375,744
  5. Step 5: Solve for x
    x = 47,562,375,744/99,832
  6. Step 6: Final answer
    x = 476,424.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.