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Finding the Third Proportional to 20,138.63 and 24,360.75

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Solution

The third proportional to 20,138.63 and 24,360.75 is: 29,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138.63 : 24,360.75 = 24,360.75 : x
  2. Step 2: Convert to fraction form
    20,138.63/24,360.75 = 24,360.75/x
  3. Step 3: Cross multiply
    20,138.63x = 24,360.75 × 24,360.75
  4. Step 4: Simplify right side
    20,138.63x = 593,446,140.56
  5. Step 5: Solve for x
    x = 593,446,140.56/20,138.63
  6. Step 6: Final answer
    x = 29,468.06

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.