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Finding the Third Proportional to 298,057 and 450,938

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Solution

The third proportional to 298,057 and 450,938 is: 682,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,057 : 450,938 = 450,938 : x
  2. Step 2: Convert to fraction form
    298,057/450,938 = 450,938/x
  3. Step 3: Cross multiply
    298,057x = 450,938 × 450,938
  4. Step 4: Simplify right side
    298,057x = 203,345,079,844
  5. Step 5: Solve for x
    x = 203,345,079,844/298,057
  6. Step 6: Final answer
    x = 682,235.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.