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Finding the Third Proportional to 26,816 and 40,172

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Solution

The third proportional to 26,816 and 40,172 is: 60,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816 : 40,172 = 40,172 : x
  2. Step 2: Convert to fraction form
    26,816/40,172 = 40,172/x
  3. Step 3: Cross multiply
    26,816x = 40,172 × 40,172
  4. Step 4: Simplify right side
    26,816x = 1,613,789,584
  5. Step 5: Solve for x
    x = 1,613,789,584/26,816
  6. Step 6: Final answer
    x = 60,180.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.