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Finding the Third Proportional to 99,994 and 140,634

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Solution

The third proportional to 99,994 and 140,634 is: 197,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994 : 140,634 = 140,634 : x
  2. Step 2: Convert to fraction form
    99,994/140,634 = 140,634/x
  3. Step 3: Cross multiply
    99,994x = 140,634 × 140,634
  4. Step 4: Simplify right side
    99,994x = 19,777,921,956
  5. Step 5: Solve for x
    x = 19,777,921,956/99,994
  6. Step 6: Final answer
    x = 197,791.09

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.