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Finding the Third Proportional to 18,450.19 and 38,213.25

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Solution

The third proportional to 18,450.19 and 38,213.25 is: 79,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.19 : 38,213.25 = 38,213.25 : x
  2. Step 2: Convert to fraction form
    18,450.19/38,213.25 = 38,213.25/x
  3. Step 3: Cross multiply
    18,450.19x = 38,213.25 × 38,213.25
  4. Step 4: Simplify right side
    18,450.19x = 1,460,252,475.56
  5. Step 5: Solve for x
    x = 1,460,252,475.56/18,450.19
  6. Step 6: Final answer
    x = 79,145.67

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1.5x scale

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.