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Finding the Third Proportional to 21,909.75 and 50,205.75

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Solution

The third proportional to 21,909.75 and 50,205.75 is: 115,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909.75 : 50,205.75 = 50,205.75 : x
  2. Step 2: Convert to fraction form
    21,909.75/50,205.75 = 50,205.75/x
  3. Step 3: Cross multiply
    21,909.75x = 50,205.75 × 50,205.75
  4. Step 4: Simplify right side
    21,909.75x = 2,520,617,333.06
  5. Step 5: Solve for x
    x = 2,520,617,333.06/21,909.75
  6. Step 6: Final answer
    x = 115,045.46

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.