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Finding the Third Proportional to 999,629.44 and 2,158,541.44

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Solution

The third proportional to 999,629.44 and 2,158,541.44 is: 4,661,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,629.44 : 2,158,541.44 = 2,158,541.44 : x
  2. Step 2: Convert to fraction form
    999,629.44/2,158,541.44 = 2,158,541.44/x
  3. Step 3: Cross multiply
    999,629.44x = 2,158,541.44 × 2,158,541.44
  4. Step 4: Simplify right side
    999,629.44x = 4,659,301,137,404.57
  5. Step 5: Solve for x
    x = 4,659,301,137,404.57/999,629.44
  6. Step 6: Final answer
    x = 4,661,028.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.