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Finding the Third Proportional to 21,718 and 44,584

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Solution

The third proportional to 21,718 and 44,584 is: 91,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718 : 44,584 = 44,584 : x
  2. Step 2: Convert to fraction form
    21,718/44,584 = 44,584/x
  3. Step 3: Cross multiply
    21,718x = 44,584 × 44,584
  4. Step 4: Simplify right side
    21,718x = 1,987,733,056
  5. Step 5: Solve for x
    x = 1,987,733,056/21,718
  6. Step 6: Final answer
    x = 91,524.68

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.