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Finding the Third Proportional to 999,493.88 and 2,158,576.03

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Solution

The third proportional to 999,493.88 and 2,158,576.03 is: 4,661,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,493.88 : 2,158,576.03 = 2,158,576.03 : x
  2. Step 2: Convert to fraction form
    999,493.88/2,158,576.03 = 2,158,576.03/x
  3. Step 3: Cross multiply
    999,493.88x = 2,158,576.03 × 2,158,576.03
  4. Step 4: Simplify right side
    999,493.88x = 4,659,450,482,687.00
  5. Step 5: Solve for x
    x = 4,659,450,482,687.00/999,493.88
  6. Step 6: Final answer
    x = 4,661,809.94

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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.