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Finding the Third Proportional to 17,208 and 26,958

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Solution

The third proportional to 17,208 and 26,958 is: 42,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208 : 26,958 = 26,958 : x
  2. Step 2: Convert to fraction form
    17,208/26,958 = 26,958/x
  3. Step 3: Cross multiply
    17,208x = 26,958 × 26,958
  4. Step 4: Simplify right side
    17,208x = 726,733,764
  5. Step 5: Solve for x
    x = 726,733,764/17,208
  6. Step 6: Final answer
    x = 42,232.32

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.