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Finding the Third Proportional to 7,098 and 11,241

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Solution

The third proportional to 7,098 and 11,241 is: 17,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098 : 11,241 = 11,241 : x
  2. Step 2: Convert to fraction form
    7,098/11,241 = 11,241/x
  3. Step 3: Cross multiply
    7,098x = 11,241 × 11,241
  4. Step 4: Simplify right side
    7,098x = 126,360,081
  5. Step 5: Solve for x
    x = 126,360,081/7,098
  6. Step 6: Final answer
    x = 17,802.21

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.