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Finding the Third Proportional to 5,406.75 and 11,934.56

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Solution

The third proportional to 5,406.75 and 11,934.56 is: 26,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.75 : 11,934.56 = 11,934.56 : x
  2. Step 2: Convert to fraction form
    5,406.75/11,934.56 = 11,934.56/x
  3. Step 3: Cross multiply
    5,406.75x = 11,934.56 × 11,934.56
  4. Step 4: Simplify right side
    5,406.75x = 142,433,782.07
  5. Step 5: Solve for x
    x = 142,433,782.07/5,406.75
  6. Step 6: Final answer
    x = 26,343.70

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.