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Finding the Third Proportional to 969,921 and 2,107,723

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Solution

The third proportional to 969,921 and 2,107,723 is: 4,580,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,921 : 2,107,723 = 2,107,723 : x
  2. Step 2: Convert to fraction form
    969,921/2,107,723 = 2,107,723/x
  3. Step 3: Cross multiply
    969,921x = 2,107,723 × 2,107,723
  4. Step 4: Simplify right side
    969,921x = 4,442,496,244,729
  5. Step 5: Solve for x
    x = 4,442,496,244,729/969,921
  6. Step 6: Final answer
    x = 4,580,266.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.