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Finding the Third Proportional to 20,446.88 and 28,995.75

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Solution

The third proportional to 20,446.88 and 28,995.75 is: 41,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.88 : 28,995.75 = 28,995.75 : x
  2. Step 2: Convert to fraction form
    20,446.88/28,995.75 = 28,995.75/x
  3. Step 3: Cross multiply
    20,446.88x = 28,995.75 × 28,995.75
  4. Step 4: Simplify right side
    20,446.88x = 840,753,518.06
  5. Step 5: Solve for x
    x = 840,753,518.06/20,446.88
  6. Step 6: Final answer
    x = 41,118.92

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.