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Finding the Third Proportional to 4,056.96 and 8,740.41

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Solution

The third proportional to 4,056.96 and 8,740.41 is: 18,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.96 : 8,740.41 = 8,740.41 : x
  2. Step 2: Convert to fraction form
    4,056.96/8,740.41 = 8,740.41/x
  3. Step 3: Cross multiply
    4,056.96x = 8,740.41 × 8,740.41
  4. Step 4: Simplify right side
    4,056.96x = 76,394,701.42
  5. Step 5: Solve for x
    x = 76,394,701.42/4,056.96
  6. Step 6: Final answer
    x = 18,830.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.