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Finding the Third Proportional to 207,888 and 450,912

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Solution

The third proportional to 207,888 and 450,912 is: 978,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,888 : 450,912 = 450,912 : x
  2. Step 2: Convert to fraction form
    207,888/450,912 = 450,912/x
  3. Step 3: Cross multiply
    207,888x = 450,912 × 450,912
  4. Step 4: Simplify right side
    207,888x = 203,321,631,744
  5. Step 5: Solve for x
    x = 203,321,631,744/207,888
  6. Step 6: Final answer
    x = 978,034.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.