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Finding the Third Proportional to 20,445.75 and 44,172

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Solution

The third proportional to 20,445.75 and 44,172 is: 95,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.75 : 44,172 = 44,172 : x
  2. Step 2: Convert to fraction form
    20,445.75/44,172 = 44,172/x
  3. Step 3: Cross multiply
    20,445.75x = 44,172 × 44,172
  4. Step 4: Simplify right side
    20,445.75x = 1,951,165,584
  5. Step 5: Solve for x
    x = 1,951,165,584/20,445.75
  6. Step 6: Final answer
    x = 95,431.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.