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Finding the Third Proportional to 126,532 and 259,380

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Solution

The third proportional to 126,532 and 259,380 is: 531,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,532 : 259,380 = 259,380 : x
  2. Step 2: Convert to fraction form
    126,532/259,380 = 259,380/x
  3. Step 3: Cross multiply
    126,532x = 259,380 × 259,380
  4. Step 4: Simplify right side
    126,532x = 67,277,984,400
  5. Step 5: Solve for x
    x = 67,277,984,400/126,532
  6. Step 6: Final answer
    x = 531,707.27

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.