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Finding the Third Proportional to 248,736 and 543,018

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Solution

The third proportional to 248,736 and 543,018 is: 1,185,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,736 : 543,018 = 543,018 : x
  2. Step 2: Convert to fraction form
    248,736/543,018 = 543,018/x
  3. Step 3: Cross multiply
    248,736x = 543,018 × 543,018
  4. Step 4: Simplify right side
    248,736x = 294,868,548,324
  5. Step 5: Solve for x
    x = 294,868,548,324/248,736
  6. Step 6: Final answer
    x = 1,185,467.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.