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Finding the Third Proportional to 54,198 and 117,222

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Solution

The third proportional to 54,198 and 117,222 is: 253,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198 : 117,222 = 117,222 : x
  2. Step 2: Convert to fraction form
    54,198/117,222 = 117,222/x
  3. Step 3: Cross multiply
    54,198x = 117,222 × 117,222
  4. Step 4: Simplify right side
    54,198x = 13,740,997,284
  5. Step 5: Solve for x
    x = 13,740,997,284/54,198
  6. Step 6: Final answer
    x = 253,533.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.