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Finding the Third Proportional to 110,442 and 156,153

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Solution

The third proportional to 110,442 and 156,153 is: 220,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,442 : 156,153 = 156,153 : x
  2. Step 2: Convert to fraction form
    110,442/156,153 = 156,153/x
  3. Step 3: Cross multiply
    110,442x = 156,153 × 156,153
  4. Step 4: Simplify right side
    110,442x = 24,383,759,409
  5. Step 5: Solve for x
    x = 24,383,759,409/110,442
  6. Step 6: Final answer
    x = 220,783.39

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.