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Finding the Third Proportional to 3,450.66 and 5,487.05

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Solution

The third proportional to 3,450.66 and 5,487.05 is: 8,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.66 : 5,487.05 = 5,487.05 : x
  2. Step 2: Convert to fraction form
    3,450.66/5,487.05 = 5,487.05/x
  3. Step 3: Cross multiply
    3,450.66x = 5,487.05 × 5,487.05
  4. Step 4: Simplify right side
    3,450.66x = 30,107,683.41
  5. Step 5: Solve for x
    x = 30,107,683.41/3,450.66
  6. Step 6: Final answer
    x = 8,725.21

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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.