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Finding the Third Proportional to 993,912 and 2,145,192

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Solution

The third proportional to 993,912 and 2,145,192 is: 4,630,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,912 : 2,145,192 = 2,145,192 : x
  2. Step 2: Convert to fraction form
    993,912/2,145,192 = 2,145,192/x
  3. Step 3: Cross multiply
    993,912x = 2,145,192 × 2,145,192
  4. Step 4: Simplify right side
    993,912x = 4,601,848,716,864
  5. Step 5: Solve for x
    x = 4,601,848,716,864/993,912
  6. Step 6: Final answer
    x = 4,630,036.38

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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.