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Finding the Third Proportional to 9,126 and 9,954

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Solution

The third proportional to 9,126 and 9,954 is: 10,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126 : 9,954 = 9,954 : x
  2. Step 2: Convert to fraction form
    9,126/9,954 = 9,954/x
  3. Step 3: Cross multiply
    9,126x = 9,954 × 9,954
  4. Step 4: Simplify right side
    9,126x = 99,082,116
  5. Step 5: Solve for x
    x = 99,082,116/9,126
  6. Step 6: Final answer
    x = 10,857.12

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.