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Finding the Third Proportional to 10,381.92 and 13,797.84

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Solution

The third proportional to 10,381.92 and 13,797.84 is: 18,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.92 : 13,797.84 = 13,797.84 : x
  2. Step 2: Convert to fraction form
    10,381.92/13,797.84 = 13,797.84/x
  3. Step 3: Cross multiply
    10,381.92x = 13,797.84 × 13,797.84
  4. Step 4: Simplify right side
    10,381.92x = 190,380,492.15
  5. Step 5: Solve for x
    x = 190,380,492.15/10,381.92
  6. Step 6: Final answer
    x = 18,337.69

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.