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Finding the Third Proportional to 336,636 and 505,826

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Solution

The third proportional to 336,636 and 505,826 is: 760,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,636 : 505,826 = 505,826 : x
  2. Step 2: Convert to fraction form
    336,636/505,826 = 505,826/x
  3. Step 3: Cross multiply
    336,636x = 505,826 × 505,826
  4. Step 4: Simplify right side
    336,636x = 255,859,942,276
  5. Step 5: Solve for x
    x = 255,859,942,276/336,636
  6. Step 6: Final answer
    x = 760,049.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.