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Finding the Third Proportional to 68,927 and 149,152

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Solution

The third proportional to 68,927 and 149,152 is: 322,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,927 : 149,152 = 149,152 : x
  2. Step 2: Convert to fraction form
    68,927/149,152 = 149,152/x
  3. Step 3: Cross multiply
    68,927x = 149,152 × 149,152
  4. Step 4: Simplify right side
    68,927x = 22,246,319,104
  5. Step 5: Solve for x
    x = 22,246,319,104/68,927
  6. Step 6: Final answer
    x = 322,751.88

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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.