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Finding the Third Proportional to 8,664,700.69 and 18,774,245.44

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Solution

The third proportional to 8,664,700.69 and 18,774,245.44 is: 40,679,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,700.69 : 18,774,245.44 = 18,774,245.44 : x
  2. Step 2: Convert to fraction form
    8,664,700.69/18,774,245.44 = 18,774,245.44/x
  3. Step 3: Cross multiply
    8,664,700.69x = 18,774,245.44 × 18,774,245.44
  4. Step 4: Simplify right side
    8,664,700.69x = 352,472,291,747,489.56
  5. Step 5: Solve for x
    x = 352,472,291,747,489.56/8,664,700.69
  6. Step 6: Final answer
    x = 40,679,107.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.