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Finding the Third Proportional to 8,318 and 17,932

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Solution

The third proportional to 8,318 and 17,932 is: 38,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318 : 17,932 = 17,932 : x
  2. Step 2: Convert to fraction form
    8,318/17,932 = 17,932/x
  3. Step 3: Cross multiply
    8,318x = 17,932 × 17,932
  4. Step 4: Simplify right side
    8,318x = 321,556,624
  5. Step 5: Solve for x
    x = 321,556,624/8,318
  6. Step 6: Final answer
    x = 38,657.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.