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Finding the Third Proportional to 2,809,890 and 6,630,903

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Solution

The third proportional to 2,809,890 and 6,630,903 is: 15,647,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,890 : 6,630,903 = 6,630,903 : x
  2. Step 2: Convert to fraction form
    2,809,890/6,630,903 = 6,630,903/x
  3. Step 3: Cross multiply
    2,809,890x = 6,630,903 × 6,630,903
  4. Step 4: Simplify right side
    2,809,890x = 43,968,874,595,409
  5. Step 5: Solve for x
    x = 43,968,874,595,409/2,809,890
  6. Step 6: Final answer
    x = 15,647,898.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.