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Finding the Third Proportional to 18,956.85 and 27,307.60

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Solution

The third proportional to 18,956.85 and 27,307.60 is: 39,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.85 : 27,307.60 = 27,307.60 : x
  2. Step 2: Convert to fraction form
    18,956.85/27,307.60 = 27,307.60/x
  3. Step 3: Cross multiply
    18,956.85x = 27,307.60 × 27,307.60
  4. Step 4: Simplify right side
    18,956.85x = 745,704,996.43
  5. Step 5: Solve for x
    x = 745,704,996.43/18,956.85
  6. Step 6: Final answer
    x = 39,336.97

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.