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Finding the Third Proportional to 158,769 and 343,134

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Solution

The third proportional to 158,769 and 343,134 is: 741,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,769 : 343,134 = 343,134 : x
  2. Step 2: Convert to fraction form
    158,769/343,134 = 343,134/x
  3. Step 3: Cross multiply
    158,769x = 343,134 × 343,134
  4. Step 4: Simplify right side
    158,769x = 117,740,941,956
  5. Step 5: Solve for x
    x = 117,740,941,956/158,769
  6. Step 6: Final answer
    x = 741,586.47

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Why These Related Problems?

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