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Finding the Third Proportional to 149,232 and 324,720

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Solution

The third proportional to 149,232 and 324,720 is: 706,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,232 : 324,720 = 324,720 : x
  2. Step 2: Convert to fraction form
    149,232/324,720 = 324,720/x
  3. Step 3: Cross multiply
    149,232x = 324,720 × 324,720
  4. Step 4: Simplify right side
    149,232x = 105,443,078,400
  5. Step 5: Solve for x
    x = 105,443,078,400/149,232
  6. Step 6: Final answer
    x = 706,571.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.