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Finding the Third Proportional to 9,318 and 19,608

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Solution

The third proportional to 9,318 and 19,608 is: 41,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318 : 19,608 = 19,608 : x
  2. Step 2: Convert to fraction form
    9,318/19,608 = 19,608/x
  3. Step 3: Cross multiply
    9,318x = 19,608 × 19,608
  4. Step 4: Simplify right side
    9,318x = 384,473,664
  5. Step 5: Solve for x
    x = 384,473,664/9,318
  6. Step 6: Final answer
    x = 41,261.39

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.