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Finding the Third Proportional to 25,040 and 54,256

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Solution

The third proportional to 25,040 and 54,256 is: 117,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040 : 54,256 = 54,256 : x
  2. Step 2: Convert to fraction form
    25,040/54,256 = 54,256/x
  3. Step 3: Cross multiply
    25,040x = 54,256 × 54,256
  4. Step 4: Simplify right side
    25,040x = 2,943,713,536
  5. Step 5: Solve for x
    x = 2,943,713,536/25,040
  6. Step 6: Final answer
    x = 117,560.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.