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Finding the Third Proportional to 14,853.38 and 20,396.81

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Solution

The third proportional to 14,853.38 and 20,396.81 is: 28,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.38 : 20,396.81 = 20,396.81 : x
  2. Step 2: Convert to fraction form
    14,853.38/20,396.81 = 20,396.81/x
  3. Step 3: Cross multiply
    14,853.38x = 20,396.81 × 20,396.81
  4. Step 4: Simplify right side
    14,853.38x = 416,029,960.16
  5. Step 5: Solve for x
    x = 416,029,960.16/14,853.38
  6. Step 6: Final answer
    x = 28,009.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.