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Finding the Third Proportional to 193,709 and 426,568

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Solution

The third proportional to 193,709 and 426,568 is: 939,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,709 : 426,568 = 426,568 : x
  2. Step 2: Convert to fraction form
    193,709/426,568 = 426,568/x
  3. Step 3: Cross multiply
    193,709x = 426,568 × 426,568
  4. Step 4: Simplify right side
    193,709x = 181,960,258,624
  5. Step 5: Solve for x
    x = 181,960,258,624/193,709
  6. Step 6: Final answer
    x = 939,348.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.