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Finding the Third Proportional to 10,435.50 and 16,161.19

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Solution

The third proportional to 10,435.50 and 16,161.19 is: 25,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.50 : 16,161.19 = 16,161.19 : x
  2. Step 2: Convert to fraction form
    10,435.50/16,161.19 = 16,161.19/x
  3. Step 3: Cross multiply
    10,435.50x = 16,161.19 × 16,161.19
  4. Step 4: Simplify right side
    10,435.50x = 261,183,981.41
  5. Step 5: Solve for x
    x = 261,183,981.41/10,435.50
  6. Step 6: Final answer
    x = 25,028.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.