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Finding the Third Proportional to 25,211.25 and 55,545.75

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Solution

The third proportional to 25,211.25 and 55,545.75 is: 122,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.25 : 55,545.75 = 55,545.75 : x
  2. Step 2: Convert to fraction form
    25,211.25/55,545.75 = 55,545.75/x
  3. Step 3: Cross multiply
    25,211.25x = 55,545.75 × 55,545.75
  4. Step 4: Simplify right side
    25,211.25x = 3,085,330,343.06
  5. Step 5: Solve for x
    x = 3,085,330,343.06/25,211.25
  6. Step 6: Final answer
    x = 122,379.11

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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.