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Finding the Third Proportional to 414,534 and 892,488

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Solution

The third proportional to 414,534 and 892,488 is: 1,921,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,534 : 892,488 = 892,488 : x
  2. Step 2: Convert to fraction form
    414,534/892,488 = 892,488/x
  3. Step 3: Cross multiply
    414,534x = 892,488 × 892,488
  4. Step 4: Simplify right side
    414,534x = 796,534,830,144
  5. Step 5: Solve for x
    x = 796,534,830,144/414,534
  6. Step 6: Final answer
    x = 1,921,518.69

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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.