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Finding the Third Proportional to 43,012 and 65,165

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Solution

The third proportional to 43,012 and 65,165 is: 98,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012 : 65,165 = 65,165 : x
  2. Step 2: Convert to fraction form
    43,012/65,165 = 65,165/x
  3. Step 3: Cross multiply
    43,012x = 65,165 × 65,165
  4. Step 4: Simplify right side
    43,012x = 4,246,477,225
  5. Step 5: Solve for x
    x = 4,246,477,225/43,012
  6. Step 6: Final answer
    x = 98,727.73

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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.