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Finding the Third Proportional to 8,961 and 19,713

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Solution

The third proportional to 8,961 and 19,713 is: 43,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961 : 19,713 = 19,713 : x
  2. Step 2: Convert to fraction form
    8,961/19,713 = 19,713/x
  3. Step 3: Cross multiply
    8,961x = 19,713 × 19,713
  4. Step 4: Simplify right side
    8,961x = 388,602,369
  5. Step 5: Solve for x
    x = 388,602,369/8,961
  6. Step 6: Final answer
    x = 43,365.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.