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Finding the Third Proportional to 5,611.50 and 8,232.75

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Solution

The third proportional to 5,611.50 and 8,232.75 is: 12,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.50 : 8,232.75 = 8,232.75 : x
  2. Step 2: Convert to fraction form
    5,611.50/8,232.75 = 8,232.75/x
  3. Step 3: Cross multiply
    5,611.50x = 8,232.75 × 8,232.75
  4. Step 4: Simplify right side
    5,611.50x = 67,778,172.56
  5. Step 5: Solve for x
    x = 67,778,172.56/5,611.50
  6. Step 6: Final answer
    x = 12,078.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.