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Finding the Third Proportional to 26,440 and 55,474

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Solution

The third proportional to 26,440 and 55,474 is: 116,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440 : 55,474 = 55,474 : x
  2. Step 2: Convert to fraction form
    26,440/55,474 = 55,474/x
  3. Step 3: Cross multiply
    26,440x = 55,474 × 55,474
  4. Step 4: Simplify right side
    26,440x = 3,077,364,676
  5. Step 5: Solve for x
    x = 3,077,364,676/26,440
  6. Step 6: Final answer
    x = 116,390.49

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.