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Finding the Third Proportional to 223,836 and 347,100

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Solution

The third proportional to 223,836 and 347,100 is: 538,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,836 : 347,100 = 347,100 : x
  2. Step 2: Convert to fraction form
    223,836/347,100 = 347,100/x
  3. Step 3: Cross multiply
    223,836x = 347,100 × 347,100
  4. Step 4: Simplify right side
    223,836x = 120,478,410,000
  5. Step 5: Solve for x
    x = 120,478,410,000/223,836
  6. Step 6: Final answer
    x = 538,244.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.