Home / 1,980.13-3,065.69

Finding the Third Proportional to 1,980.13 and 3,065.69

Calculator

Solution

The third proportional to 1,980.13 and 3,065.69 is: 4,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.13 : 3,065.69 = 3,065.69 : x
  2. Step 2: Convert to fraction form
    1,980.13/3,065.69 = 3,065.69/x
  3. Step 3: Cross multiply
    1,980.13x = 3,065.69 × 3,065.69
  4. Step 4: Simplify right side
    1,980.13x = 9,398,439.85
  5. Step 5: Solve for x
    x = 9,398,439.85/1,980.13
  6. Step 6: Final answer
    x = 4,746.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.