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Finding the Third Proportional to 20,525.91 and 43,269.19

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Solution

The third proportional to 20,525.91 and 43,269.19 is: 91,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.91 : 43,269.19 = 43,269.19 : x
  2. Step 2: Convert to fraction form
    20,525.91/43,269.19 = 43,269.19/x
  3. Step 3: Cross multiply
    20,525.91x = 43,269.19 × 43,269.19
  4. Step 4: Simplify right side
    20,525.91x = 1,872,222,586.91
  5. Step 5: Solve for x
    x = 1,872,222,586.91/20,525.91
  6. Step 6: Final answer
    x = 91,212.66

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.