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Finding the Third Proportional to 13,601.25 and 20,337.75

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Solution

The third proportional to 13,601.25 and 20,337.75 is: 30,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.25 : 20,337.75 = 20,337.75 : x
  2. Step 2: Convert to fraction form
    13,601.25/20,337.75 = 20,337.75/x
  3. Step 3: Cross multiply
    13,601.25x = 20,337.75 × 20,337.75
  4. Step 4: Simplify right side
    13,601.25x = 413,624,075.06
  5. Step 5: Solve for x
    x = 413,624,075.06/13,601.25
  6. Step 6: Final answer
    x = 30,410.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.