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Finding the Third Proportional to 11,899 and 25,918

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Solution

The third proportional to 11,899 and 25,918 is: 56,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899 : 25,918 = 25,918 : x
  2. Step 2: Convert to fraction form
    11,899/25,918 = 25,918/x
  3. Step 3: Cross multiply
    11,899x = 25,918 × 25,918
  4. Step 4: Simplify right side
    11,899x = 671,742,724
  5. Step 5: Solve for x
    x = 671,742,724/11,899
  6. Step 6: Final answer
    x = 56,453.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.