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Finding the Third Proportional to 1,639,015 and 2,481,378

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Solution

The third proportional to 1,639,015 and 2,481,378 is: 3,756,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,015 : 2,481,378 = 2,481,378 : x
  2. Step 2: Convert to fraction form
    1,639,015/2,481,378 = 2,481,378/x
  3. Step 3: Cross multiply
    1,639,015x = 2,481,378 × 2,481,378
  4. Step 4: Simplify right side
    1,639,015x = 6,157,236,778,884
  5. Step 5: Solve for x
    x = 6,157,236,778,884/1,639,015
  6. Step 6: Final answer
    x = 3,756,668.96

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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.