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Finding the Third Proportional to 5,119,678 and 10,999,131

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Solution

The third proportional to 5,119,678 and 10,999,131 is: 23,630,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,678 : 10,999,131 = 10,999,131 : x
  2. Step 2: Convert to fraction form
    5,119,678/10,999,131 = 10,999,131/x
  3. Step 3: Cross multiply
    5,119,678x = 10,999,131 × 10,999,131
  4. Step 4: Simplify right side
    5,119,678x = 120,980,882,755,161
  5. Step 5: Solve for x
    x = 120,980,882,755,161/5,119,678
  6. Step 6: Final answer
    x = 23,630,564.80

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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.