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Finding the Third Proportional to 306,468 and 649,795

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Solution

The third proportional to 306,468 and 649,795 is: 1,377,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,468 : 649,795 = 649,795 : x
  2. Step 2: Convert to fraction form
    306,468/649,795 = 649,795/x
  3. Step 3: Cross multiply
    306,468x = 649,795 × 649,795
  4. Step 4: Simplify right side
    306,468x = 422,233,542,025
  5. Step 5: Solve for x
    x = 422,233,542,025/306,468
  6. Step 6: Final answer
    x = 1,377,741.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.