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Finding the Third Proportional to 2,733.75 and 6,994.69

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Solution

The third proportional to 2,733.75 and 6,994.69 is: 17,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.75 : 6,994.69 = 6,994.69 : x
  2. Step 2: Convert to fraction form
    2,733.75/6,994.69 = 6,994.69/x
  3. Step 3: Cross multiply
    2,733.75x = 6,994.69 × 6,994.69
  4. Step 4: Simplify right side
    2,733.75x = 48,925,653.22
  5. Step 5: Solve for x
    x = 48,925,653.22/2,733.75
  6. Step 6: Final answer
    x = 17,896.90

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.