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Finding the Third Proportional to 7,981 and 17,048

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Solution

The third proportional to 7,981 and 17,048 is: 36,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981 : 17,048 = 17,048 : x
  2. Step 2: Convert to fraction form
    7,981/17,048 = 17,048/x
  3. Step 3: Cross multiply
    7,981x = 17,048 × 17,048
  4. Step 4: Simplify right side
    7,981x = 290,634,304
  5. Step 5: Solve for x
    x = 290,634,304/7,981
  6. Step 6: Final answer
    x = 36,415.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.