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Finding the Third Proportional to 264,904 and 340,152

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Solution

The third proportional to 264,904 and 340,152 is: 436,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,904 : 340,152 = 340,152 : x
  2. Step 2: Convert to fraction form
    264,904/340,152 = 340,152/x
  3. Step 3: Cross multiply
    264,904x = 340,152 × 340,152
  4. Step 4: Simplify right side
    264,904x = 115,703,383,104
  5. Step 5: Solve for x
    x = 115,703,383,104/264,904
  6. Step 6: Final answer
    x = 436,774.77

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.