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Finding the Third Proportional to 16,803 and 20,367

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Solution

The third proportional to 16,803 and 20,367 is: 24,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803 : 20,367 = 20,367 : x
  2. Step 2: Convert to fraction form
    16,803/20,367 = 20,367/x
  3. Step 3: Cross multiply
    16,803x = 20,367 × 20,367
  4. Step 4: Simplify right side
    16,803x = 414,814,689
  5. Step 5: Solve for x
    x = 414,814,689/16,803
  6. Step 6: Final answer
    x = 24,686.94

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.