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Finding the Third Proportional to 8,348 and 17,988

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Solution

The third proportional to 8,348 and 17,988 is: 38,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348 : 17,988 = 17,988 : x
  2. Step 2: Convert to fraction form
    8,348/17,988 = 17,988/x
  3. Step 3: Cross multiply
    8,348x = 17,988 × 17,988
  4. Step 4: Simplify right side
    8,348x = 323,568,144
  5. Step 5: Solve for x
    x = 323,568,144/8,348
  6. Step 6: Final answer
    x = 38,759.96

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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.