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Finding the Third Proportional to 54,192 and 79,176

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Solution

The third proportional to 54,192 and 79,176 is: 115,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192 : 79,176 = 79,176 : x
  2. Step 2: Convert to fraction form
    54,192/79,176 = 79,176/x
  3. Step 3: Cross multiply
    54,192x = 79,176 × 79,176
  4. Step 4: Simplify right side
    54,192x = 6,268,838,976
  5. Step 5: Solve for x
    x = 6,268,838,976/54,192
  6. Step 6: Final answer
    x = 115,678.31

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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.