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Finding the Third Proportional to 16,486.03 and 22,378.78

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Solution

The third proportional to 16,486.03 and 22,378.78 is: 30,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.03 : 22,378.78 = 22,378.78 : x
  2. Step 2: Convert to fraction form
    16,486.03/22,378.78 = 22,378.78/x
  3. Step 3: Cross multiply
    16,486.03x = 22,378.78 × 22,378.78
  4. Step 4: Simplify right side
    16,486.03x = 500,809,850.24
  5. Step 5: Solve for x
    x = 500,809,850.24/16,486.03
  6. Step 6: Final answer
    x = 30,377.83

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.