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Finding the Third Proportional to 20,130.75 and 27,336.75

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Solution

The third proportional to 20,130.75 and 27,336.75 is: 37,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.75 : 27,336.75 = 27,336.75 : x
  2. Step 2: Convert to fraction form
    20,130.75/27,336.75 = 27,336.75/x
  3. Step 3: Cross multiply
    20,130.75x = 27,336.75 × 27,336.75
  4. Step 4: Simplify right side
    20,130.75x = 747,297,900.56
  5. Step 5: Solve for x
    x = 747,297,900.56/20,130.75
  6. Step 6: Final answer
    x = 37,122.21

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.