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Finding the Third Proportional to 28,268.75 and 38,391.25

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Solution

The third proportional to 28,268.75 and 38,391.25 is: 52,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.75 : 38,391.25 = 38,391.25 : x
  2. Step 2: Convert to fraction form
    28,268.75/38,391.25 = 38,391.25/x
  3. Step 3: Cross multiply
    28,268.75x = 38,391.25 × 38,391.25
  4. Step 4: Simplify right side
    28,268.75x = 1,473,888,076.56
  5. Step 5: Solve for x
    x = 1,473,888,076.56/28,268.75
  6. Step 6: Final answer
    x = 52,138.42

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.