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Finding the Third Proportional to 1,784,187 and 2,668,491

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Solution

The third proportional to 1,784,187 and 2,668,491 is: 3,991,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,187 : 2,668,491 = 2,668,491 : x
  2. Step 2: Convert to fraction form
    1,784,187/2,668,491 = 2,668,491/x
  3. Step 3: Cross multiply
    1,784,187x = 2,668,491 × 2,668,491
  4. Step 4: Simplify right side
    1,784,187x = 7,120,844,217,081
  5. Step 5: Solve for x
    x = 7,120,844,217,081/1,784,187
  6. Step 6: Final answer
    x = 3,991,086.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.