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Finding the Third Proportional to 28,296 and 43,348

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Solution

The third proportional to 28,296 and 43,348 is: 66,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296 : 43,348 = 43,348 : x
  2. Step 2: Convert to fraction form
    28,296/43,348 = 43,348/x
  3. Step 3: Cross multiply
    28,296x = 43,348 × 43,348
  4. Step 4: Simplify right side
    28,296x = 1,879,049,104
  5. Step 5: Solve for x
    x = 1,879,049,104/28,296
  6. Step 6: Final answer
    x = 66,406.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.