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Finding the Third Proportional to 25,378 and 55,844

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Solution

The third proportional to 25,378 and 55,844 is: 122,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378 : 55,844 = 55,844 : x
  2. Step 2: Convert to fraction form
    25,378/55,844 = 55,844/x
  3. Step 3: Cross multiply
    25,378x = 55,844 × 55,844
  4. Step 4: Simplify right side
    25,378x = 3,118,552,336
  5. Step 5: Solve for x
    x = 3,118,552,336/25,378
  6. Step 6: Final answer
    x = 122,884.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.