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Finding the Third Proportional to 9,794 and 13,987

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Solution

The third proportional to 9,794 and 13,987 is: 19,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794 : 13,987 = 13,987 : x
  2. Step 2: Convert to fraction form
    9,794/13,987 = 13,987/x
  3. Step 3: Cross multiply
    9,794x = 13,987 × 13,987
  4. Step 4: Simplify right side
    9,794x = 195,636,169
  5. Step 5: Solve for x
    x = 195,636,169/9,794
  6. Step 6: Final answer
    x = 19,975.10

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.