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Finding the Third Proportional to 13,336 and 20,652

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Solution

The third proportional to 13,336 and 20,652 is: 31,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336 : 20,652 = 20,652 : x
  2. Step 2: Convert to fraction form
    13,336/20,652 = 20,652/x
  3. Step 3: Cross multiply
    13,336x = 20,652 × 20,652
  4. Step 4: Simplify right side
    13,336x = 426,505,104
  5. Step 5: Solve for x
    x = 426,505,104/13,336
  6. Step 6: Final answer
    x = 31,981.49

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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.