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Finding the Third Proportional to 3,852.56 and 5,769.35

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Solution

The third proportional to 3,852.56 and 5,769.35 is: 8,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.56 : 5,769.35 = 5,769.35 : x
  2. Step 2: Convert to fraction form
    3,852.56/5,769.35 = 5,769.35/x
  3. Step 3: Cross multiply
    3,852.56x = 5,769.35 × 5,769.35
  4. Step 4: Simplify right side
    3,852.56x = 33,285,417.45
  5. Step 5: Solve for x
    x = 33,285,417.45/3,852.56
  6. Step 6: Final answer
    x = 8,639.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.