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Finding the Third Proportional to 149,679 and 323,100

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Solution

The third proportional to 149,679 and 323,100 is: 697,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679 : 323,100 = 323,100 : x
  2. Step 2: Convert to fraction form
    149,679/323,100 = 323,100/x
  3. Step 3: Cross multiply
    149,679x = 323,100 × 323,100
  4. Step 4: Simplify right side
    149,679x = 104,393,610,000
  5. Step 5: Solve for x
    x = 104,393,610,000/149,679
  6. Step 6: Final answer
    x = 697,449.94

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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.