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Finding the Third Proportional to 13,536 and 20,340

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Solution

The third proportional to 13,536 and 20,340 is: 30,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536 : 20,340 = 20,340 : x
  2. Step 2: Convert to fraction form
    13,536/20,340 = 20,340/x
  3. Step 3: Cross multiply
    13,536x = 20,340 × 20,340
  4. Step 4: Simplify right side
    13,536x = 413,715,600
  5. Step 5: Solve for x
    x = 413,715,600/13,536
  6. Step 6: Final answer
    x = 30,564.10

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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.