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Finding the Third Proportional to 29,928 and 65,589

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Solution

The third proportional to 29,928 and 65,589 is: 143,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,928 : 65,589 = 65,589 : x
  2. Step 2: Convert to fraction form
    29,928/65,589 = 65,589/x
  3. Step 3: Cross multiply
    29,928x = 65,589 × 65,589
  4. Step 4: Simplify right side
    29,928x = 4,301,916,921
  5. Step 5: Solve for x
    x = 4,301,916,921/29,928
  6. Step 6: Final answer
    x = 143,742.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.