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Finding the Third Proportional to 1,611.77 and 2,488.85

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Solution

The third proportional to 1,611.77 and 2,488.85 is: 3,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.77 : 2,488.85 = 2,488.85 : x
  2. Step 2: Convert to fraction form
    1,611.77/2,488.85 = 2,488.85/x
  3. Step 3: Cross multiply
    1,611.77x = 2,488.85 × 2,488.85
  4. Step 4: Simplify right side
    1,611.77x = 6,194,382.10
  5. Step 5: Solve for x
    x = 6,194,382.10/1,611.77
  6. Step 6: Final answer
    x = 3,843.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.