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Finding the Third Proportional to 54,144 and 79,104

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Solution

The third proportional to 54,144 and 79,104 is: 115,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144 : 79,104 = 79,104 : x
  2. Step 2: Convert to fraction form
    54,144/79,104 = 79,104/x
  3. Step 3: Cross multiply
    54,144x = 79,104 × 79,104
  4. Step 4: Simplify right side
    54,144x = 6,257,442,816
  5. Step 5: Solve for x
    x = 6,257,442,816/54,144
  6. Step 6: Final answer
    x = 115,570.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.