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Finding the Third Proportional to 4,380.75 and 9,733.50

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Solution

The third proportional to 4,380.75 and 9,733.50 is: 21,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.75 : 9,733.50 = 9,733.50 : x
  2. Step 2: Convert to fraction form
    4,380.75/9,733.50 = 9,733.50/x
  3. Step 3: Cross multiply
    4,380.75x = 9,733.50 × 9,733.50
  4. Step 4: Simplify right side
    4,380.75x = 94,741,022.25
  5. Step 5: Solve for x
    x = 94,741,022.25/4,380.75
  6. Step 6: Final answer
    x = 21,626.67

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1.5x scale

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.