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Finding the Third Proportional to 234,680 and 505,856

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Solution

The third proportional to 234,680 and 505,856 is: 1,090,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,680 : 505,856 = 505,856 : x
  2. Step 2: Convert to fraction form
    234,680/505,856 = 505,856/x
  3. Step 3: Cross multiply
    234,680x = 505,856 × 505,856
  4. Step 4: Simplify right side
    234,680x = 255,890,292,736
  5. Step 5: Solve for x
    x = 255,890,292,736/234,680
  6. Step 6: Final answer
    x = 1,090,379.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.