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Finding the Third Proportional to 1,638,366.75 and 3,483,405

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Solution

The third proportional to 1,638,366.75 and 3,483,405 is: 7,406,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,366.75 : 3,483,405 = 3,483,405 : x
  2. Step 2: Convert to fraction form
    1,638,366.75/3,483,405 = 3,483,405/x
  3. Step 3: Cross multiply
    1,638,366.75x = 3,483,405 × 3,483,405
  4. Step 4: Simplify right side
    1,638,366.75x = 12,134,110,394,025
  5. Step 5: Solve for x
    x = 12,134,110,394,025/1,638,366.75
  6. Step 6: Final answer
    x = 7,406,223.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.