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Finding the Third Proportional to 126,124.50 and 275,923.50

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Solution

The third proportional to 126,124.50 and 275,923.50 is: 603,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,124.50 : 275,923.50 = 275,923.50 : x
  2. Step 2: Convert to fraction form
    126,124.50/275,923.50 = 275,923.50/x
  3. Step 3: Cross multiply
    126,124.50x = 275,923.50 × 275,923.50
  4. Step 4: Simplify right side
    126,124.50x = 76,133,777,852.25
  5. Step 5: Solve for x
    x = 76,133,777,852.25/126,124.50
  6. Step 6: Final answer
    x = 603,639.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.