Home / 903.94-1,231.88

Finding the Third Proportional to 903.94 and 1,231.88

Calculator

Solution

The third proportional to 903.94 and 1,231.88 is: 1,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.94 : 1,231.88 = 1,231.88 : x
  2. Step 2: Convert to fraction form
    903.94/1,231.88 = 1,231.88/x
  3. Step 3: Cross multiply
    903.94x = 1,231.88 × 1,231.88
  4. Step 4: Simplify right side
    903.94x = 1,517,516.02
  5. Step 5: Solve for x
    x = 1,517,516.02/903.94
  6. Step 6: Final answer
    x = 1,678.78

Related Problems

Find third proportional to 451.97 and 615.94
Half scale
Find third proportional to 1,807.88 and 2,463.75
Double scale
Find third proportional to 906 and 1,235
Similar ratio
Find third proportional to 1,355.91 and 1,847.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.