Home / 1,821,289.25-2,672,884.75

Finding the Third Proportional to 1,821,289.25 and 2,672,884.75

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Solution

The third proportional to 1,821,289.25 and 2,672,884.75 is: 3,922,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,289.25 : 2,672,884.75 = 2,672,884.75 : x
  2. Step 2: Convert to fraction form
    1,821,289.25/2,672,884.75 = 2,672,884.75/x
  3. Step 3: Cross multiply
    1,821,289.25x = 2,672,884.75 × 2,672,884.75
  4. Step 4: Simplify right side
    1,821,289.25x = 7,144,312,886,782.56
  5. Step 5: Solve for x
    x = 7,144,312,886,782.56/1,821,289.25
  6. Step 6: Final answer
    x = 3,922,667.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.