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Finding the Third Proportional to 8,969 and 13,832

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Solution

The third proportional to 8,969 and 13,832 is: 21,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969 : 13,832 = 13,832 : x
  2. Step 2: Convert to fraction form
    8,969/13,832 = 13,832/x
  3. Step 3: Cross multiply
    8,969x = 13,832 × 13,832
  4. Step 4: Simplify right side
    8,969x = 191,324,224
  5. Step 5: Solve for x
    x = 191,324,224/8,969
  6. Step 6: Final answer
    x = 21,331.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.