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Finding the Third Proportional to 25,860 and 38,918

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Solution

The third proportional to 25,860 and 38,918 is: 58,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860 : 38,918 = 38,918 : x
  2. Step 2: Convert to fraction form
    25,860/38,918 = 38,918/x
  3. Step 3: Cross multiply
    25,860x = 38,918 × 38,918
  4. Step 4: Simplify right side
    25,860x = 1,514,610,724
  5. Step 5: Solve for x
    x = 1,514,610,724/25,860
  6. Step 6: Final answer
    x = 58,569.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.