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Finding the Third Proportional to 40,383 and 56,589

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Solution

The third proportional to 40,383 and 56,589 is: 79,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383 : 56,589 = 56,589 : x
  2. Step 2: Convert to fraction form
    40,383/56,589 = 56,589/x
  3. Step 3: Cross multiply
    40,383x = 56,589 × 56,589
  4. Step 4: Simplify right side
    40,383x = 3,202,314,921
  5. Step 5: Solve for x
    x = 3,202,314,921/40,383
  6. Step 6: Final answer
    x = 79,298.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.