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Finding the Third Proportional to 25,377.75 and 55,818

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Solution

The third proportional to 25,377.75 and 55,818 is: 122,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.75 : 55,818 = 55,818 : x
  2. Step 2: Convert to fraction form
    25,377.75/55,818 = 55,818/x
  3. Step 3: Cross multiply
    25,377.75x = 55,818 × 55,818
  4. Step 4: Simplify right side
    25,377.75x = 3,115,649,124
  5. Step 5: Solve for x
    x = 3,115,649,124/25,377.75
  6. Step 6: Final answer
    x = 122,770.90

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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.