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Finding the Third Proportional to 203,558 and 434,168

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Solution

The third proportional to 203,558 and 434,168 is: 926,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,558 : 434,168 = 434,168 : x
  2. Step 2: Convert to fraction form
    203,558/434,168 = 434,168/x
  3. Step 3: Cross multiply
    203,558x = 434,168 × 434,168
  4. Step 4: Simplify right side
    203,558x = 188,501,852,224
  5. Step 5: Solve for x
    x = 188,501,852,224/203,558
  6. Step 6: Final answer
    x = 926,035.10

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.