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Finding the Third Proportional to 8,960 and 19,644

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Solution

The third proportional to 8,960 and 19,644 is: 43,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 19,644 = 19,644 : x
  2. Step 2: Convert to fraction form
    8,960/19,644 = 19,644/x
  3. Step 3: Cross multiply
    8,960x = 19,644 × 19,644
  4. Step 4: Simplify right side
    8,960x = 385,886,736
  5. Step 5: Solve for x
    x = 385,886,736/8,960
  6. Step 6: Final answer
    x = 43,067.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.