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Finding the Third Proportional to 101,081 and 156,950

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Solution

The third proportional to 101,081 and 156,950 is: 243,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,081 : 156,950 = 156,950 : x
  2. Step 2: Convert to fraction form
    101,081/156,950 = 156,950/x
  3. Step 3: Cross multiply
    101,081x = 156,950 × 156,950
  4. Step 4: Simplify right side
    101,081x = 24,633,302,500
  5. Step 5: Solve for x
    x = 24,633,302,500/101,081
  6. Step 6: Final answer
    x = 243,698.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.