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Finding the Third Proportional to 4,056.19 and 8,992.97

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Solution

The third proportional to 4,056.19 and 8,992.97 is: 19,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.19 : 8,992.97 = 8,992.97 : x
  2. Step 2: Convert to fraction form
    4,056.19/8,992.97 = 8,992.97/x
  3. Step 3: Cross multiply
    4,056.19x = 8,992.97 × 8,992.97
  4. Step 4: Simplify right side
    4,056.19x = 80,873,486.94
  5. Step 5: Solve for x
    x = 80,873,486.94/4,056.19
  6. Step 6: Final answer
    x = 19,938.30

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.