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Finding the Third Proportional to 7,191 and 11,048

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Solution

The third proportional to 7,191 and 11,048 is: 16,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191 : 11,048 = 11,048 : x
  2. Step 2: Convert to fraction form
    7,191/11,048 = 11,048/x
  3. Step 3: Cross multiply
    7,191x = 11,048 × 11,048
  4. Step 4: Simplify right side
    7,191x = 122,058,304
  5. Step 5: Solve for x
    x = 122,058,304/7,191
  6. Step 6: Final answer
    x = 16,973.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.