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Finding the Third Proportional to 18,446.63 and 40,439.25

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Solution

The third proportional to 18,446.63 and 40,439.25 is: 88,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.63 : 40,439.25 = 40,439.25 : x
  2. Step 2: Convert to fraction form
    18,446.63/40,439.25 = 40,439.25/x
  3. Step 3: Cross multiply
    18,446.63x = 40,439.25 × 40,439.25
  4. Step 4: Simplify right side
    18,446.63x = 1,635,332,940.56
  5. Step 5: Solve for x
    x = 1,635,332,940.56/18,446.63
  6. Step 6: Final answer
    x = 88,652.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.