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Finding the Third Proportional to 126,511.50 and 271,780.50

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Solution

The third proportional to 126,511.50 and 271,780.50 is: 583,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511.50 : 271,780.50 = 271,780.50 : x
  2. Step 2: Convert to fraction form
    126,511.50/271,780.50 = 271,780.50/x
  3. Step 3: Cross multiply
    126,511.50x = 271,780.50 × 271,780.50
  4. Step 4: Simplify right side
    126,511.50x = 73,864,640,180.25
  5. Step 5: Solve for x
    x = 73,864,640,180.25/126,511.50
  6. Step 6: Final answer
    x = 583,857.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.