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Finding the Third Proportional to 787,794 and 1,718,172

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Solution

The third proportional to 787,794 and 1,718,172 is: 3,747,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,794 : 1,718,172 = 1,718,172 : x
  2. Step 2: Convert to fraction form
    787,794/1,718,172 = 1,718,172/x
  3. Step 3: Cross multiply
    787,794x = 1,718,172 × 1,718,172
  4. Step 4: Simplify right side
    787,794x = 2,952,115,021,584
  5. Step 5: Solve for x
    x = 2,952,115,021,584/787,794
  6. Step 6: Final answer
    x = 3,747,318.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.