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Finding the Third Proportional to 15,383.75 and 33,125

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Solution

The third proportional to 15,383.75 and 33,125 is: 71,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.75 : 33,125 = 33,125 : x
  2. Step 2: Convert to fraction form
    15,383.75/33,125 = 33,125/x
  3. Step 3: Cross multiply
    15,383.75x = 33,125 × 33,125
  4. Step 4: Simplify right side
    15,383.75x = 1,097,265,625
  5. Step 5: Solve for x
    x = 1,097,265,625/15,383.75
  6. Step 6: Final answer
    x = 71,326.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.