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Finding the Third Proportional to 25,906.75 and 40,005

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Solution

The third proportional to 25,906.75 and 40,005 is: 61,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.75 : 40,005 = 40,005 : x
  2. Step 2: Convert to fraction form
    25,906.75/40,005 = 40,005/x
  3. Step 3: Cross multiply
    25,906.75x = 40,005 × 40,005
  4. Step 4: Simplify right side
    25,906.75x = 1,600,400,025
  5. Step 5: Solve for x
    x = 1,600,400,025/25,906.75
  6. Step 6: Final answer
    x = 61,775.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.