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Finding the Third Proportional to 8,961 and 19,290

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Solution

The third proportional to 8,961 and 19,290 is: 41,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961 : 19,290 = 19,290 : x
  2. Step 2: Convert to fraction form
    8,961/19,290 = 19,290/x
  3. Step 3: Cross multiply
    8,961x = 19,290 × 19,290
  4. Step 4: Simplify right side
    8,961x = 372,104,100
  5. Step 5: Solve for x
    x = 372,104,100/8,961
  6. Step 6: Final answer
    x = 41,524.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.