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Finding the Third Proportional to 25,367 and 55,918

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Solution

The third proportional to 25,367 and 55,918 is: 123,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367 : 55,918 = 55,918 : x
  2. Step 2: Convert to fraction form
    25,367/55,918 = 55,918/x
  3. Step 3: Cross multiply
    25,367x = 55,918 × 55,918
  4. Step 4: Simplify right side
    25,367x = 3,126,822,724
  5. Step 5: Solve for x
    x = 3,126,822,724/25,367
  6. Step 6: Final answer
    x = 123,263.40

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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.