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Finding the Third Proportional to 1,603,908.21 and 3,340,522.90

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Solution

The third proportional to 1,603,908.21 and 3,340,522.90 is: 6,957,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,908.21 : 3,340,522.90 = 3,340,522.90 : x
  2. Step 2: Convert to fraction form
    1,603,908.21/3,340,522.90 = 3,340,522.90/x
  3. Step 3: Cross multiply
    1,603,908.21x = 3,340,522.90 × 3,340,522.90
  4. Step 4: Simplify right side
    1,603,908.21x = 11,159,093,234,985.28
  5. Step 5: Solve for x
    x = 11,159,093,234,985.28/1,603,908.21
  6. Step 6: Final answer
    x = 6,957,438.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.