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Finding the Third Proportional to 13,358.81 and 20,846.67

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Solution

The third proportional to 13,358.81 and 20,846.67 is: 32,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.81 : 20,846.67 = 20,846.67 : x
  2. Step 2: Convert to fraction form
    13,358.81/20,846.67 = 20,846.67/x
  3. Step 3: Cross multiply
    13,358.81x = 20,846.67 × 20,846.67
  4. Step 4: Simplify right side
    13,358.81x = 434,583,728.26
  5. Step 5: Solve for x
    x = 434,583,728.26/13,358.81
  6. Step 6: Final answer
    x = 32,531.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.