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Finding the Third Proportional to 113,381 and 248,266

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Solution

The third proportional to 113,381 and 248,266 is: 543,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,381 : 248,266 = 248,266 : x
  2. Step 2: Convert to fraction form
    113,381/248,266 = 248,266/x
  3. Step 3: Cross multiply
    113,381x = 248,266 × 248,266
  4. Step 4: Simplify right side
    113,381x = 61,636,006,756
  5. Step 5: Solve for x
    x = 61,636,006,756/113,381
  6. Step 6: Final answer
    x = 543,618.48

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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.