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Finding the Third Proportional to 149,405 and 323,702

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Solution

The third proportional to 149,405 and 323,702 is: 701,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,405 : 323,702 = 323,702 : x
  2. Step 2: Convert to fraction form
    149,405/323,702 = 323,702/x
  3. Step 3: Cross multiply
    149,405x = 323,702 × 323,702
  4. Step 4: Simplify right side
    149,405x = 104,782,984,804
  5. Step 5: Solve for x
    x = 104,782,984,804/149,405
  6. Step 6: Final answer
    x = 701,335.19

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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.