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Finding the Third Proportional to 156,739 and 235,105

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Solution

The third proportional to 156,739 and 235,105 is: 352,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739 : 235,105 = 235,105 : x
  2. Step 2: Convert to fraction form
    156,739/235,105 = 235,105/x
  3. Step 3: Cross multiply
    156,739x = 235,105 × 235,105
  4. Step 4: Simplify right side
    156,739x = 55,274,361,025
  5. Step 5: Solve for x
    x = 55,274,361,025/156,739
  6. Step 6: Final answer
    x = 352,652.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.