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Finding the Third Proportional to 63,993.75 and 139,651.13

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Solution

The third proportional to 63,993.75 and 139,651.13 is: 304,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.75 : 139,651.13 = 139,651.13 : x
  2. Step 2: Convert to fraction form
    63,993.75/139,651.13 = 139,651.13/x
  3. Step 3: Cross multiply
    63,993.75x = 139,651.13 × 139,651.13
  4. Step 4: Simplify right side
    63,993.75x = 19,502,436,713.77
  5. Step 5: Solve for x
    x = 19,502,436,713.77/63,993.75
  6. Step 6: Final answer
    x = 304,755.33

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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.