Home / 1,455.75-2,187.75

Finding the Third Proportional to 1,455.75 and 2,187.75

Calculator

Solution

The third proportional to 1,455.75 and 2,187.75 is: 3,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.75 : 2,187.75 = 2,187.75 : x
  2. Step 2: Convert to fraction form
    1,455.75/2,187.75 = 2,187.75/x
  3. Step 3: Cross multiply
    1,455.75x = 2,187.75 × 2,187.75
  4. Step 4: Simplify right side
    1,455.75x = 4,786,250.06
  5. Step 5: Solve for x
    x = 4,786,250.06/1,455.75
  6. Step 6: Final answer
    x = 3,287.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.