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Finding the Third Proportional to 55,554 and 79,179

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Solution

The third proportional to 55,554 and 79,179 is: 112,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,554 : 79,179 = 79,179 : x
  2. Step 2: Convert to fraction form
    55,554/79,179 = 79,179/x
  3. Step 3: Cross multiply
    55,554x = 79,179 × 79,179
  4. Step 4: Simplify right side
    55,554x = 6,269,314,041
  5. Step 5: Solve for x
    x = 6,269,314,041/55,554
  6. Step 6: Final answer
    x = 112,850.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.