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Finding the Third Proportional to 18,790,279 and 39,298,600

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Solution

The third proportional to 18,790,279 and 39,298,600 is: 82,190,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790,279 : 39,298,600 = 39,298,600 : x
  2. Step 2: Convert to fraction form
    18,790,279/39,298,600 = 39,298,600/x
  3. Step 3: Cross multiply
    18,790,279x = 39,298,600 × 39,298,600
  4. Step 4: Simplify right side
    18,790,279x = 1,544,379,961,960,000
  5. Step 5: Solve for x
    x = 1,544,379,961,960,000/18,790,279
  6. Step 6: Final answer
    x = 82,190,368.86

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.