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Finding the Third Proportional to 158,940 and 343,692

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Solution

The third proportional to 158,940 and 343,692 is: 743,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,940 : 343,692 = 343,692 : x
  2. Step 2: Convert to fraction form
    158,940/343,692 = 343,692/x
  3. Step 3: Cross multiply
    158,940x = 343,692 × 343,692
  4. Step 4: Simplify right side
    158,940x = 118,124,190,864
  5. Step 5: Solve for x
    x = 118,124,190,864/158,940
  6. Step 6: Final answer
    x = 743,199.89

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.