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Finding the Third Proportional to 13,384.50 and 20,725

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Solution

The third proportional to 13,384.50 and 20,725 is: 32,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.50 : 20,725 = 20,725 : x
  2. Step 2: Convert to fraction form
    13,384.50/20,725 = 20,725/x
  3. Step 3: Cross multiply
    13,384.50x = 20,725 × 20,725
  4. Step 4: Simplify right side
    13,384.50x = 429,525,625
  5. Step 5: Solve for x
    x = 429,525,625/13,384.50
  6. Step 6: Final answer
    x = 32,091.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.