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Finding the Third Proportional to 13,962 and 21,718

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Solution

The third proportional to 13,962 and 21,718 is: 33,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962 : 21,718 = 21,718 : x
  2. Step 2: Convert to fraction form
    13,962/21,718 = 21,718/x
  3. Step 3: Cross multiply
    13,962x = 21,718 × 21,718
  4. Step 4: Simplify right side
    13,962x = 471,671,524
  5. Step 5: Solve for x
    x = 471,671,524/13,962
  6. Step 6: Final answer
    x = 33,782.52

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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.