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Finding the Third Proportional to 133,043 and 195,666

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Solution

The third proportional to 133,043 and 195,666 is: 287,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043 : 195,666 = 195,666 : x
  2. Step 2: Convert to fraction form
    133,043/195,666 = 195,666/x
  3. Step 3: Cross multiply
    133,043x = 195,666 × 195,666
  4. Step 4: Simplify right side
    133,043x = 38,285,183,556
  5. Step 5: Solve for x
    x = 38,285,183,556/133,043
  6. Step 6: Final answer
    x = 287,765.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.