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Finding the Third Proportional to 149,650 and 323,039

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Solution

The third proportional to 149,650 and 323,039 is: 697,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,650 : 323,039 = 323,039 : x
  2. Step 2: Convert to fraction form
    149,650/323,039 = 323,039/x
  3. Step 3: Cross multiply
    149,650x = 323,039 × 323,039
  4. Step 4: Simplify right side
    149,650x = 104,354,195,521
  5. Step 5: Solve for x
    x = 104,354,195,521/149,650
  6. Step 6: Final answer
    x = 697,321.72

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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.