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Finding the Third Proportional to 13,361.20 and 20,861.93

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Solution

The third proportional to 13,361.20 and 20,861.93 is: 32,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.20 : 20,861.93 = 20,861.93 : x
  2. Step 2: Convert to fraction form
    13,361.20/20,861.93 = 20,861.93/x
  3. Step 3: Cross multiply
    13,361.20x = 20,861.93 × 20,861.93
  4. Step 4: Simplify right side
    13,361.20x = 435,220,110.29
  5. Step 5: Solve for x
    x = 435,220,110.29/13,361.20
  6. Step 6: Final answer
    x = 32,573.42

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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.