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Finding the Third Proportional to 829,880 and 1,690,214

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Solution

The third proportional to 829,880 and 1,690,214 is: 3,442,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,880 : 1,690,214 = 1,690,214 : x
  2. Step 2: Convert to fraction form
    829,880/1,690,214 = 1,690,214/x
  3. Step 3: Cross multiply
    829,880x = 1,690,214 × 1,690,214
  4. Step 4: Simplify right side
    829,880x = 2,856,823,365,796
  5. Step 5: Solve for x
    x = 2,856,823,365,796/829,880
  6. Step 6: Final answer
    x = 3,442,453.57

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.