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Finding the Third Proportional to 54,176 and 79,152

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Solution

The third proportional to 54,176 and 79,152 is: 115,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176 : 79,152 = 79,152 : x
  2. Step 2: Convert to fraction form
    54,176/79,152 = 79,152/x
  3. Step 3: Cross multiply
    54,176x = 79,152 × 79,152
  4. Step 4: Simplify right side
    54,176x = 6,265,039,104
  5. Step 5: Solve for x
    x = 6,265,039,104/54,176
  6. Step 6: Final answer
    x = 115,642.33

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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.