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Finding the Third Proportional to 13,582 and 21,611.75

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Solution

The third proportional to 13,582 and 21,611.75 is: 34,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582 : 21,611.75 = 21,611.75 : x
  2. Step 2: Convert to fraction form
    13,582/21,611.75 = 21,611.75/x
  3. Step 3: Cross multiply
    13,582x = 21,611.75 × 21,611.75
  4. Step 4: Simplify right side
    13,582x = 467,067,738.06
  5. Step 5: Solve for x
    x = 467,067,738.06/13,582
  6. Step 6: Final answer
    x = 34,388.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.