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Finding the Third Proportional to 363,268 and 498,668

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Solution

The third proportional to 363,268 and 498,668 is: 684,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,268 : 498,668 = 498,668 : x
  2. Step 2: Convert to fraction form
    363,268/498,668 = 498,668/x
  3. Step 3: Cross multiply
    363,268x = 498,668 × 498,668
  4. Step 4: Simplify right side
    363,268x = 248,669,774,224
  5. Step 5: Solve for x
    x = 248,669,774,224/363,268
  6. Step 6: Final answer
    x = 684,535.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.