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Finding the Third Proportional to 149,724 and 324,628

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Solution

The third proportional to 149,724 and 324,628 is: 703,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,724 : 324,628 = 324,628 : x
  2. Step 2: Convert to fraction form
    149,724/324,628 = 324,628/x
  3. Step 3: Cross multiply
    149,724x = 324,628 × 324,628
  4. Step 4: Simplify right side
    149,724x = 105,383,338,384
  5. Step 5: Solve for x
    x = 105,383,338,384/149,724
  6. Step 6: Final answer
    x = 703,850.67

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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.