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Finding the Third Proportional to 18,771.75 and 26,244

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Solution

The third proportional to 18,771.75 and 26,244 is: 36,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.75 : 26,244 = 26,244 : x
  2. Step 2: Convert to fraction form
    18,771.75/26,244 = 26,244/x
  3. Step 3: Cross multiply
    18,771.75x = 26,244 × 26,244
  4. Step 4: Simplify right side
    18,771.75x = 688,747,536
  5. Step 5: Solve for x
    x = 688,747,536/18,771.75
  6. Step 6: Final answer
    x = 36,690.64

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.