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Finding the Third Proportional to 28,584 and 43,969

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Solution

The third proportional to 28,584 and 43,969 is: 67,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584 : 43,969 = 43,969 : x
  2. Step 2: Convert to fraction form
    28,584/43,969 = 43,969/x
  3. Step 3: Cross multiply
    28,584x = 43,969 × 43,969
  4. Step 4: Simplify right side
    28,584x = 1,933,272,961
  5. Step 5: Solve for x
    x = 1,933,272,961/28,584
  6. Step 6: Final answer
    x = 67,634.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.