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Finding the Third Proportional to 55,388.25 and 133,536.75

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Solution

The third proportional to 55,388.25 and 133,536.75 is: 321,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.25 : 133,536.75 = 133,536.75 : x
  2. Step 2: Convert to fraction form
    55,388.25/133,536.75 = 133,536.75/x
  3. Step 3: Cross multiply
    55,388.25x = 133,536.75 × 133,536.75
  4. Step 4: Simplify right side
    55,388.25x = 17,832,063,600.56
  5. Step 5: Solve for x
    x = 17,832,063,600.56/55,388.25
  6. Step 6: Final answer
    x = 321,946.69

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.