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Finding the Third Proportional to 101,814 and 155,745

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Solution

The third proportional to 101,814 and 155,745 is: 238,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,814 : 155,745 = 155,745 : x
  2. Step 2: Convert to fraction form
    101,814/155,745 = 155,745/x
  3. Step 3: Cross multiply
    101,814x = 155,745 × 155,745
  4. Step 4: Simplify right side
    101,814x = 24,256,505,025
  5. Step 5: Solve for x
    x = 24,256,505,025/101,814
  6. Step 6: Final answer
    x = 238,243.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.