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Finding the Third Proportional to 683,838 and 1,472,844

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Solution

The third proportional to 683,838 and 1,472,844 is: 3,172,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,838 : 1,472,844 = 1,472,844 : x
  2. Step 2: Convert to fraction form
    683,838/1,472,844 = 1,472,844/x
  3. Step 3: Cross multiply
    683,838x = 1,472,844 × 1,472,844
  4. Step 4: Simplify right side
    683,838x = 2,169,269,448,336
  5. Step 5: Solve for x
    x = 2,169,269,448,336/683,838
  6. Step 6: Final answer
    x = 3,172,197.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.