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Finding the Third Proportional to 4,400 and 6,994

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Solution

The third proportional to 4,400 and 6,994 is: 11,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400 : 6,994 = 6,994 : x
  2. Step 2: Convert to fraction form
    4,400/6,994 = 6,994/x
  3. Step 3: Cross multiply
    4,400x = 6,994 × 6,994
  4. Step 4: Simplify right side
    4,400x = 48,916,036
  5. Step 5: Solve for x
    x = 48,916,036/4,400
  6. Step 6: Final answer
    x = 11,117.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.