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Finding the Third Proportional to 4,890.38 and 11,223.56

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Solution

The third proportional to 4,890.38 and 11,223.56 is: 25,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.38 : 11,223.56 = 11,223.56 : x
  2. Step 2: Convert to fraction form
    4,890.38/11,223.56 = 11,223.56/x
  3. Step 3: Cross multiply
    4,890.38x = 11,223.56 × 11,223.56
  4. Step 4: Simplify right side
    4,890.38x = 125,968,355.19
  5. Step 5: Solve for x
    x = 125,968,355.19/4,890.38
  6. Step 6: Final answer
    x = 25,758.42

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.