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Finding the Third Proportional to 4,272.75 and 10,732.50

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Solution

The third proportional to 4,272.75 and 10,732.50 is: 26,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.75 : 10,732.50 = 10,732.50 : x
  2. Step 2: Convert to fraction form
    4,272.75/10,732.50 = 10,732.50/x
  3. Step 3: Cross multiply
    4,272.75x = 10,732.50 × 10,732.50
  4. Step 4: Simplify right side
    4,272.75x = 115,186,556.25
  5. Step 5: Solve for x
    x = 115,186,556.25/4,272.75
  6. Step 6: Final answer
    x = 26,958.41

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Why These Related Problems?

These problems maintain the same ratio (2.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.