Home / 928-1,305.38

Finding the Third Proportional to 928 and 1,305.38

Calculator

Solution

The third proportional to 928 and 1,305.38 is: 1,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    928 : 1,305.38 = 1,305.38 : x
  2. Step 2: Convert to fraction form
    928/1,305.38 = 1,305.38/x
  3. Step 3: Cross multiply
    928x = 1,305.38 × 1,305.38
  4. Step 4: Simplify right side
    928x = 1,704,003.89
  5. Step 5: Solve for x
    x = 1,704,003.89/928
  6. Step 6: Final answer
    x = 1,836.21

Related Problems

Find third proportional to 464 and 652.69
Half scale
Find third proportional to 1,856 and 2,610.75
Double scale
Find third proportional to 930 and 1,308
Similar ratio
Find third proportional to 1,392 and 1,958.06
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.