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Finding the Third Proportional to 855,909 and 1,807,296

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Solution

The third proportional to 855,909 and 1,807,296 is: 3,816,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,909 : 1,807,296 = 1,807,296 : x
  2. Step 2: Convert to fraction form
    855,909/1,807,296 = 1,807,296/x
  3. Step 3: Cross multiply
    855,909x = 1,807,296 × 1,807,296
  4. Step 4: Simplify right side
    855,909x = 3,266,318,831,616
  5. Step 5: Solve for x
    x = 3,266,318,831,616/855,909
  6. Step 6: Final answer
    x = 3,816,198.72

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.