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Finding the Third Proportional to 13,576.50 and 20,625.75

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Solution

The third proportional to 13,576.50 and 20,625.75 is: 31,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.50 : 20,625.75 = 20,625.75 : x
  2. Step 2: Convert to fraction form
    13,576.50/20,625.75 = 20,625.75/x
  3. Step 3: Cross multiply
    13,576.50x = 20,625.75 × 20,625.75
  4. Step 4: Simplify right side
    13,576.50x = 425,421,563.06
  5. Step 5: Solve for x
    x = 425,421,563.06/13,576.50
  6. Step 6: Final answer
    x = 31,335.14

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.