Home / 1,015,121.11-2,257,189.03

Finding the Third Proportional to 1,015,121.11 and 2,257,189.03

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Solution

The third proportional to 1,015,121.11 and 2,257,189.03 is: 5,019,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,121.11 : 2,257,189.03 = 2,257,189.03 : x
  2. Step 2: Convert to fraction form
    1,015,121.11/2,257,189.03 = 2,257,189.03/x
  3. Step 3: Cross multiply
    1,015,121.11x = 2,257,189.03 × 2,257,189.03
  4. Step 4: Simplify right side
    1,015,121.11x = 5,094,902,322,795.31
  5. Step 5: Solve for x
    x = 5,094,902,322,795.31/1,015,121.11
  6. Step 6: Final answer
    x = 5,019,009.33

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.