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Finding the Third Proportional to 9,437 and 19,907

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Solution

The third proportional to 9,437 and 19,907 is: 41,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437 : 19,907 = 19,907 : x
  2. Step 2: Convert to fraction form
    9,437/19,907 = 19,907/x
  3. Step 3: Cross multiply
    9,437x = 19,907 × 19,907
  4. Step 4: Simplify right side
    9,437x = 396,288,649
  5. Step 5: Solve for x
    x = 396,288,649/9,437
  6. Step 6: Final answer
    x = 41,993.08

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.