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Finding the Third Proportional to 6,819.75 and 15,009.75

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Solution

The third proportional to 6,819.75 and 15,009.75 is: 33,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.75 : 15,009.75 = 15,009.75 : x
  2. Step 2: Convert to fraction form
    6,819.75/15,009.75 = 15,009.75/x
  3. Step 3: Cross multiply
    6,819.75x = 15,009.75 × 15,009.75
  4. Step 4: Simplify right side
    6,819.75x = 225,292,595.06
  5. Step 5: Solve for x
    x = 225,292,595.06/6,819.75
  6. Step 6: Final answer
    x = 33,035.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.