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Finding the Third Proportional to 11,845 and 25,919

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Solution

The third proportional to 11,845 and 25,919 is: 56,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845 : 25,919 = 25,919 : x
  2. Step 2: Convert to fraction form
    11,845/25,919 = 25,919/x
  3. Step 3: Cross multiply
    11,845x = 25,919 × 25,919
  4. Step 4: Simplify right side
    11,845x = 671,794,561
  5. Step 5: Solve for x
    x = 671,794,561/11,845
  6. Step 6: Final answer
    x = 56,715.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.