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Finding the Third Proportional to 18,764 and 41,248

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Solution

The third proportional to 18,764 and 41,248 is: 90,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764 : 41,248 = 41,248 : x
  2. Step 2: Convert to fraction form
    18,764/41,248 = 41,248/x
  3. Step 3: Cross multiply
    18,764x = 41,248 × 41,248
  4. Step 4: Simplify right side
    18,764x = 1,701,397,504
  5. Step 5: Solve for x
    x = 1,701,397,504/18,764
  6. Step 6: Final answer
    x = 90,673.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.