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Finding the Third Proportional to 111,277.13 and 247,431.38

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Solution

The third proportional to 111,277.13 and 247,431.38 is: 550,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.13 : 247,431.38 = 247,431.38 : x
  2. Step 2: Convert to fraction form
    111,277.13/247,431.38 = 247,431.38/x
  3. Step 3: Cross multiply
    111,277.13x = 247,431.38 × 247,431.38
  4. Step 4: Simplify right side
    111,277.13x = 61,222,285,334.39
  5. Step 5: Solve for x
    x = 61,222,285,334.39/111,277.13
  6. Step 6: Final answer
    x = 550,178.53

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.