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Finding the Third Proportional to 119,913 and 199,845

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Solution

The third proportional to 119,913 and 199,845 is: 333,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,913 : 199,845 = 199,845 : x
  2. Step 2: Convert to fraction form
    119,913/199,845 = 199,845/x
  3. Step 3: Cross multiply
    119,913x = 199,845 × 199,845
  4. Step 4: Simplify right side
    119,913x = 39,938,024,025
  5. Step 5: Solve for x
    x = 39,938,024,025/119,913
  6. Step 6: Final answer
    x = 333,058.33

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.