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Finding the Third Proportional to 8,361,846 and 18,318,036

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Solution

The third proportional to 8,361,846 and 18,318,036 is: 40,128,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,846 : 18,318,036 = 18,318,036 : x
  2. Step 2: Convert to fraction form
    8,361,846/18,318,036 = 18,318,036/x
  3. Step 3: Cross multiply
    8,361,846x = 18,318,036 × 18,318,036
  4. Step 4: Simplify right side
    8,361,846x = 335,550,442,897,296
  5. Step 5: Solve for x
    x = 335,550,442,897,296/8,361,846
  6. Step 6: Final answer
    x = 40,128,751.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.