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Finding the Third Proportional to 20,391.80 and 44,805.74

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Solution

The third proportional to 20,391.80 and 44,805.74 is: 98,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.80 : 44,805.74 = 44,805.74 : x
  2. Step 2: Convert to fraction form
    20,391.80/44,805.74 = 44,805.74/x
  3. Step 3: Cross multiply
    20,391.80x = 44,805.74 × 44,805.74
  4. Step 4: Simplify right side
    20,391.80x = 2,007,553,920.39
  5. Step 5: Solve for x
    x = 2,007,553,920.39/20,391.80
  6. Step 6: Final answer
    x = 98,449.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.