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Finding the Third Proportional to 104,628 and 214,764

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Solution

The third proportional to 104,628 and 214,764 is: 440,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,628 : 214,764 = 214,764 : x
  2. Step 2: Convert to fraction form
    104,628/214,764 = 214,764/x
  3. Step 3: Cross multiply
    104,628x = 214,764 × 214,764
  4. Step 4: Simplify right side
    104,628x = 46,123,575,696
  5. Step 5: Solve for x
    x = 46,123,575,696/104,628
  6. Step 6: Final answer
    x = 440,833.96

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.