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Finding the Third Proportional to 140,673 and 299,796

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Solution

The third proportional to 140,673 and 299,796 is: 638,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673 : 299,796 = 299,796 : x
  2. Step 2: Convert to fraction form
    140,673/299,796 = 299,796/x
  3. Step 3: Cross multiply
    140,673x = 299,796 × 299,796
  4. Step 4: Simplify right side
    140,673x = 89,877,641,616
  5. Step 5: Solve for x
    x = 89,877,641,616/140,673
  6. Step 6: Final answer
    x = 638,911.81

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.