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Finding the Third Proportional to 4,494 and 9,111

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Solution

The third proportional to 4,494 and 9,111 is: 18,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494 : 9,111 = 9,111 : x
  2. Step 2: Convert to fraction form
    4,494/9,111 = 9,111/x
  3. Step 3: Cross multiply
    4,494x = 9,111 × 9,111
  4. Step 4: Simplify right side
    4,494x = 83,010,321
  5. Step 5: Solve for x
    x = 83,010,321/4,494
  6. Step 6: Final answer
    x = 18,471.37

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.