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Finding the Third Proportional to 3,964,404 and 8,656,873

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Solution

The third proportional to 3,964,404 and 8,656,873 is: 18,903,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,404 : 8,656,873 = 8,656,873 : x
  2. Step 2: Convert to fraction form
    3,964,404/8,656,873 = 8,656,873/x
  3. Step 3: Cross multiply
    3,964,404x = 8,656,873 × 8,656,873
  4. Step 4: Simplify right side
    3,964,404x = 74,941,450,138,129
  5. Step 5: Solve for x
    x = 74,941,450,138,129/3,964,404
  6. Step 6: Final answer
    x = 18,903,585.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.