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Finding the Third Proportional to 126,481.50 and 264,649.50

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Solution

The third proportional to 126,481.50 and 264,649.50 is: 553,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.50 : 264,649.50 = 264,649.50 : x
  2. Step 2: Convert to fraction form
    126,481.50/264,649.50 = 264,649.50/x
  3. Step 3: Cross multiply
    126,481.50x = 264,649.50 × 264,649.50
  4. Step 4: Simplify right side
    126,481.50x = 70,039,357,850.25
  5. Step 5: Solve for x
    x = 70,039,357,850.25/126,481.50
  6. Step 6: Final answer
    x = 553,751.80

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.