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Finding the Third Proportional to 2,790.70 and 3,844.34

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Solution

The third proportional to 2,790.70 and 3,844.34 is: 5,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.70 : 3,844.34 = 3,844.34 : x
  2. Step 2: Convert to fraction form
    2,790.70/3,844.34 = 3,844.34/x
  3. Step 3: Cross multiply
    2,790.70x = 3,844.34 × 3,844.34
  4. Step 4: Simplify right side
    2,790.70x = 14,778,918.80
  5. Step 5: Solve for x
    x = 14,778,918.80/2,790.70
  6. Step 6: Final answer
    x = 5,295.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.