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Finding the Third Proportional to 404,630 and 582,888

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Solution

The third proportional to 404,630 and 582,888 is: 839,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,630 : 582,888 = 582,888 : x
  2. Step 2: Convert to fraction form
    404,630/582,888 = 582,888/x
  3. Step 3: Cross multiply
    404,630x = 582,888 × 582,888
  4. Step 4: Simplify right side
    404,630x = 339,758,420,544
  5. Step 5: Solve for x
    x = 339,758,420,544/404,630
  6. Step 6: Final answer
    x = 839,676.79

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.