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Finding the Third Proportional to 16,161.19 and 25,699.78

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Solution

The third proportional to 16,161.19 and 25,699.78 is: 40,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.19 : 25,699.78 = 25,699.78 : x
  2. Step 2: Convert to fraction form
    16,161.19/25,699.78 = 25,699.78/x
  3. Step 3: Cross multiply
    16,161.19x = 25,699.78 × 25,699.78
  4. Step 4: Simplify right side
    16,161.19x = 660,478,756.30
  5. Step 5: Solve for x
    x = 660,478,756.30/16,161.19
  6. Step 6: Final answer
    x = 40,868.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.