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Finding the Third Proportional to 15,815.25 and 23,847.75

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Solution

The third proportional to 15,815.25 and 23,847.75 is: 35,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.25 : 23,847.75 = 23,847.75 : x
  2. Step 2: Convert to fraction form
    15,815.25/23,847.75 = 23,847.75/x
  3. Step 3: Cross multiply
    15,815.25x = 23,847.75 × 23,847.75
  4. Step 4: Simplify right side
    15,815.25x = 568,715,180.06
  5. Step 5: Solve for x
    x = 568,715,180.06/15,815.25
  6. Step 6: Final answer
    x = 35,959.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.