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Finding the Third Proportional to 1,990,478.25 and 3,002,211

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Solution

The third proportional to 1,990,478.25 and 3,002,211 is: 4,528,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,478.25 : 3,002,211 = 3,002,211 : x
  2. Step 2: Convert to fraction form
    1,990,478.25/3,002,211 = 3,002,211/x
  3. Step 3: Cross multiply
    1,990,478.25x = 3,002,211 × 3,002,211
  4. Step 4: Simplify right side
    1,990,478.25x = 9,013,270,888,521
  5. Step 5: Solve for x
    x = 9,013,270,888,521/1,990,478.25
  6. Step 6: Final answer
    x = 4,528,193.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.