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Finding the Third Proportional to 515,523.38 and 1,131,912

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Solution

The third proportional to 515,523.38 and 1,131,912 is: 2,485,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,523.38 : 1,131,912 = 1,131,912 : x
  2. Step 2: Convert to fraction form
    515,523.38/1,131,912 = 1,131,912/x
  3. Step 3: Cross multiply
    515,523.38x = 1,131,912 × 1,131,912
  4. Step 4: Simplify right side
    515,523.38x = 1,281,224,775,744
  5. Step 5: Solve for x
    x = 1,281,224,775,744/515,523.38
  6. Step 6: Final answer
    x = 2,485,289.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.