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Finding the Third Proportional to 8,766.50 and 18,180

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Solution

The third proportional to 8,766.50 and 18,180 is: 37,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.50 : 18,180 = 18,180 : x
  2. Step 2: Convert to fraction form
    8,766.50/18,180 = 18,180/x
  3. Step 3: Cross multiply
    8,766.50x = 18,180 × 18,180
  4. Step 4: Simplify right side
    8,766.50x = 330,512,400
  5. Step 5: Solve for x
    x = 330,512,400/8,766.50
  6. Step 6: Final answer
    x = 37,701.75

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.