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Finding the Third Proportional to 26,396 and 38,728

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Solution

The third proportional to 26,396 and 38,728 is: 56,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396 : 38,728 = 38,728 : x
  2. Step 2: Convert to fraction form
    26,396/38,728 = 38,728/x
  3. Step 3: Cross multiply
    26,396x = 38,728 × 38,728
  4. Step 4: Simplify right side
    26,396x = 1,499,857,984
  5. Step 5: Solve for x
    x = 1,499,857,984/26,396
  6. Step 6: Final answer
    x = 56,821.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.