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Finding the Third Proportional to 21,561.75 and 33,468.75

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Solution

The third proportional to 21,561.75 and 33,468.75 is: 51,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.75 : 33,468.75 = 33,468.75 : x
  2. Step 2: Convert to fraction form
    21,561.75/33,468.75 = 33,468.75/x
  3. Step 3: Cross multiply
    21,561.75x = 33,468.75 × 33,468.75
  4. Step 4: Simplify right side
    21,561.75x = 1,120,157,226.56
  5. Step 5: Solve for x
    x = 1,120,157,226.56/21,561.75
  6. Step 6: Final answer
    x = 51,951.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.