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Finding the Third Proportional to 110,990.75 and 239,716.25

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Solution

The third proportional to 110,990.75 and 239,716.25 is: 517,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990.75 : 239,716.25 = 239,716.25 : x
  2. Step 2: Convert to fraction form
    110,990.75/239,716.25 = 239,716.25/x
  3. Step 3: Cross multiply
    110,990.75x = 239,716.25 × 239,716.25
  4. Step 4: Simplify right side
    110,990.75x = 57,463,880,514.06
  5. Step 5: Solve for x
    x = 57,463,880,514.06/110,990.75
  6. Step 6: Final answer
    x = 517,735.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.