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Finding the Third Proportional to 248,168 and 543,280

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Solution

The third proportional to 248,168 and 543,280 is: 1,189,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168 : 543,280 = 543,280 : x
  2. Step 2: Convert to fraction form
    248,168/543,280 = 543,280/x
  3. Step 3: Cross multiply
    248,168x = 543,280 × 543,280
  4. Step 4: Simplify right side
    248,168x = 295,153,158,400
  5. Step 5: Solve for x
    x = 295,153,158,400/248,168
  6. Step 6: Final answer
    x = 1,189,328.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.