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Finding the Third Proportional to 8,407,934 and 18,386,296

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Solution

The third proportional to 8,407,934 and 18,386,296 is: 40,206,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407,934 : 18,386,296 = 18,386,296 : x
  2. Step 2: Convert to fraction form
    8,407,934/18,386,296 = 18,386,296/x
  3. Step 3: Cross multiply
    8,407,934x = 18,386,296 × 18,386,296
  4. Step 4: Simplify right side
    8,407,934x = 338,055,880,599,616
  5. Step 5: Solve for x
    x = 338,055,880,599,616/8,407,934
  6. Step 6: Final answer
    x = 40,206,771.44

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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.