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Finding the Third Proportional to 7,964 and 18,599

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Solution

The third proportional to 7,964 and 18,599 is: 43,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964 : 18,599 = 18,599 : x
  2. Step 2: Convert to fraction form
    7,964/18,599 = 18,599/x
  3. Step 3: Cross multiply
    7,964x = 18,599 × 18,599
  4. Step 4: Simplify right side
    7,964x = 345,922,801
  5. Step 5: Solve for x
    x = 345,922,801/7,964
  6. Step 6: Final answer
    x = 43,435.81

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.