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Finding the Third Proportional to 1,263,777 and 1,639,486.50

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Solution

The third proportional to 1,263,777 and 1,639,486.50 is: 2,126,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,777 : 1,639,486.50 = 1,639,486.50 : x
  2. Step 2: Convert to fraction form
    1,263,777/1,639,486.50 = 1,639,486.50/x
  3. Step 3: Cross multiply
    1,263,777x = 1,639,486.50 × 1,639,486.50
  4. Step 4: Simplify right side
    1,263,777x = 2,687,915,983,682.25
  5. Step 5: Solve for x
    x = 2,687,915,983,682.25/1,263,777
  6. Step 6: Final answer
    x = 2,126,891.04

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.