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Finding the Third Proportional to 19,540 and 43,296

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Solution

The third proportional to 19,540 and 43,296 is: 95,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540 : 43,296 = 43,296 : x
  2. Step 2: Convert to fraction form
    19,540/43,296 = 43,296/x
  3. Step 3: Cross multiply
    19,540x = 43,296 × 43,296
  4. Step 4: Simplify right side
    19,540x = 1,874,543,616
  5. Step 5: Solve for x
    x = 1,874,543,616/19,540
  6. Step 6: Final answer
    x = 95,933.65

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.