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Finding the Third Proportional to 1,824,954 and 3,970,989

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Solution

The third proportional to 1,824,954 and 3,970,989 is: 8,640,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,954 : 3,970,989 = 3,970,989 : x
  2. Step 2: Convert to fraction form
    1,824,954/3,970,989 = 3,970,989/x
  3. Step 3: Cross multiply
    1,824,954x = 3,970,989 × 3,970,989
  4. Step 4: Simplify right side
    1,824,954x = 15,768,753,638,121
  5. Step 5: Solve for x
    x = 15,768,753,638,121/1,824,954
  6. Step 6: Final answer
    x = 8,640,630.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.