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Finding the Third Proportional to 12,616,842 and 18,904,197

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Solution

The third proportional to 12,616,842 and 18,904,197 is: 28,324,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,842 : 18,904,197 = 18,904,197 : x
  2. Step 2: Convert to fraction form
    12,616,842/18,904,197 = 18,904,197/x
  3. Step 3: Cross multiply
    12,616,842x = 18,904,197 × 18,904,197
  4. Step 4: Simplify right side
    12,616,842x = 357,368,664,214,809
  5. Step 5: Solve for x
    x = 357,368,664,214,809/12,616,842
  6. Step 6: Final answer
    x = 28,324,731.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.