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Finding the Third Proportional to 149,886 and 324,672

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Solution

The third proportional to 149,886 and 324,672 is: 703,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,886 : 324,672 = 324,672 : x
  2. Step 2: Convert to fraction form
    149,886/324,672 = 324,672/x
  3. Step 3: Cross multiply
    149,886x = 324,672 × 324,672
  4. Step 4: Simplify right side
    149,886x = 105,411,907,584
  5. Step 5: Solve for x
    x = 105,411,907,584/149,886
  6. Step 6: Final answer
    x = 703,280.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.