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Finding the Third Proportional to 25,120.13 and 55,171.13

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Solution

The third proportional to 25,120.13 and 55,171.13 is: 121,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.13 : 55,171.13 = 55,171.13 : x
  2. Step 2: Convert to fraction form
    25,120.13/55,171.13 = 55,171.13/x
  3. Step 3: Cross multiply
    25,120.13x = 55,171.13 × 55,171.13
  4. Step 4: Simplify right side
    25,120.13x = 3,043,853,033.77
  5. Step 5: Solve for x
    x = 3,043,853,033.77/25,120.13
  6. Step 6: Final answer
    x = 121,171.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.