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Finding the Third Proportional to 126,877.50 and 275,620.50

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Solution

The third proportional to 126,877.50 and 275,620.50 is: 598,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.50 : 275,620.50 = 275,620.50 : x
  2. Step 2: Convert to fraction form
    126,877.50/275,620.50 = 275,620.50/x
  3. Step 3: Cross multiply
    126,877.50x = 275,620.50 × 275,620.50
  4. Step 4: Simplify right side
    126,877.50x = 75,966,660,020.25
  5. Step 5: Solve for x
    x = 75,966,660,020.25/126,877.50
  6. Step 6: Final answer
    x = 598,740.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.