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Finding the Third Proportional to 13,210,519.50 and 18,603,408.38

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Solution

The third proportional to 13,210,519.50 and 18,603,408.38 is: 26,197,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,519.50 : 18,603,408.38 = 18,603,408.38 : x
  2. Step 2: Convert to fraction form
    13,210,519.50/18,603,408.38 = 18,603,408.38/x
  3. Step 3: Cross multiply
    13,210,519.50x = 18,603,408.38 × 18,603,408.38
  4. Step 4: Simplify right side
    13,210,519.50x = 346,086,803,167,020.12
  5. Step 5: Solve for x
    x = 346,086,803,167,020.12/13,210,519.50
  6. Step 6: Final answer
    x = 26,197,819.33

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.