Home / 602.28-1,285.72

Finding the Third Proportional to 602.28 and 1,285.72

Calculator

Solution

The third proportional to 602.28 and 1,285.72 is: 2,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.28 : 1,285.72 = 1,285.72 : x
  2. Step 2: Convert to fraction form
    602.28/1,285.72 = 1,285.72/x
  3. Step 3: Cross multiply
    602.28x = 1,285.72 × 1,285.72
  4. Step 4: Simplify right side
    602.28x = 1,653,067.68
  5. Step 5: Solve for x
    x = 1,653,067.68/602.28
  6. Step 6: Final answer
    x = 2,744.69

Related Problems

Find third proportional to 301.14 and 642.86
Half scale
Find third proportional to 1,204.56 and 2,571.43
Double scale
Find third proportional to 604 and 1,290
Similar ratio
Find third proportional to 903.42 and 1,928.58
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.