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Finding the Third Proportional to 133,040 and 195,671

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Solution

The third proportional to 133,040 and 195,671 is: 287,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040 : 195,671 = 195,671 : x
  2. Step 2: Convert to fraction form
    133,040/195,671 = 195,671/x
  3. Step 3: Cross multiply
    133,040x = 195,671 × 195,671
  4. Step 4: Simplify right side
    133,040x = 38,287,140,241
  5. Step 5: Solve for x
    x = 38,287,140,241/133,040
  6. Step 6: Final answer
    x = 287,786.68

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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.