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Finding the Third Proportional to 1,990,415.75 and 3,002,117

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Solution

The third proportional to 1,990,415.75 and 3,002,117 is: 4,528,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,415.75 : 3,002,117 = 3,002,117 : x
  2. Step 2: Convert to fraction form
    1,990,415.75/3,002,117 = 3,002,117/x
  3. Step 3: Cross multiply
    1,990,415.75x = 3,002,117 × 3,002,117
  4. Step 4: Simplify right side
    1,990,415.75x = 9,012,706,481,689
  5. Step 5: Solve for x
    x = 9,012,706,481,689/1,990,415.75
  6. Step 6: Final answer
    x = 4,528,052.23

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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.