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Finding the Third Proportional to 8,215,008 and 18,318,918

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Solution

The third proportional to 8,215,008 and 18,318,918 is: 40,849,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,008 : 18,318,918 = 18,318,918 : x
  2. Step 2: Convert to fraction form
    8,215,008/18,318,918 = 18,318,918/x
  3. Step 3: Cross multiply
    8,215,008x = 18,318,918 × 18,318,918
  4. Step 4: Simplify right side
    8,215,008x = 335,582,756,690,724
  5. Step 5: Solve for x
    x = 335,582,756,690,724/8,215,008
  6. Step 6: Final answer
    x = 40,849,961.03

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.