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Finding the Third Proportional to 146,668 and 321,356

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Solution

The third proportional to 146,668 and 321,356 is: 704,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668 : 321,356 = 321,356 : x
  2. Step 2: Convert to fraction form
    146,668/321,356 = 321,356/x
  3. Step 3: Cross multiply
    146,668x = 321,356 × 321,356
  4. Step 4: Simplify right side
    146,668x = 103,269,678,736
  5. Step 5: Solve for x
    x = 103,269,678,736/146,668
  6. Step 6: Final answer
    x = 704,105.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.