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Finding the Third Proportional to 28,682 and 43,456

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Solution

The third proportional to 28,682 and 43,456 is: 65,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682 : 43,456 = 43,456 : x
  2. Step 2: Convert to fraction form
    28,682/43,456 = 43,456/x
  3. Step 3: Cross multiply
    28,682x = 43,456 × 43,456
  4. Step 4: Simplify right side
    28,682x = 1,888,423,936
  5. Step 5: Solve for x
    x = 1,888,423,936/28,682
  6. Step 6: Final answer
    x = 65,840.04

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.