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Finding the Third Proportional to 3,994.31 and 8,783.44

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Solution

The third proportional to 3,994.31 and 8,783.44 is: 19,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.31 : 8,783.44 = 8,783.44 : x
  2. Step 2: Convert to fraction form
    3,994.31/8,783.44 = 8,783.44/x
  3. Step 3: Cross multiply
    3,994.31x = 8,783.44 × 8,783.44
  4. Step 4: Simplify right side
    3,994.31x = 77,148,774.32
  5. Step 5: Solve for x
    x = 77,148,774.32/3,994.31
  6. Step 6: Final answer
    x = 19,314.66

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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.