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Finding the Third Proportional to 8,510,917.25 and 18,261,690.75

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Solution

The third proportional to 8,510,917.25 and 18,261,690.75 is: 39,183,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,917.25 : 18,261,690.75 = 18,261,690.75 : x
  2. Step 2: Convert to fraction form
    8,510,917.25/18,261,690.75 = 18,261,690.75/x
  3. Step 3: Cross multiply
    8,510,917.25x = 18,261,690.75 × 18,261,690.75
  4. Step 4: Simplify right side
    8,510,917.25x = 333,489,349,048,635.56
  5. Step 5: Solve for x
    x = 333,489,349,048,635.56/8,510,917.25
  6. Step 6: Final answer
    x = 39,183,714.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.