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Finding the Third Proportional to 13,848 and 21,664

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Solution

The third proportional to 13,848 and 21,664 is: 33,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848 : 21,664 = 21,664 : x
  2. Step 2: Convert to fraction form
    13,848/21,664 = 21,664/x
  3. Step 3: Cross multiply
    13,848x = 21,664 × 21,664
  4. Step 4: Simplify right side
    13,848x = 469,328,896
  5. Step 5: Solve for x
    x = 469,328,896/13,848
  6. Step 6: Final answer
    x = 33,891.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.