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Finding the Third Proportional to 1,267,200 and 2,639,236.50

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Solution

The third proportional to 1,267,200 and 2,639,236.50 is: 5,496,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,200 : 2,639,236.50 = 2,639,236.50 : x
  2. Step 2: Convert to fraction form
    1,267,200/2,639,236.50 = 2,639,236.50/x
  3. Step 3: Cross multiply
    1,267,200x = 2,639,236.50 × 2,639,236.50
  4. Step 4: Simplify right side
    1,267,200x = 6,965,569,302,932.25
  5. Step 5: Solve for x
    x = 6,965,569,302,932.25/1,267,200
  6. Step 6: Final answer
    x = 5,496,819.21

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.