Home / 7,285-10,987

Finding the Third Proportional to 7,285 and 10,987

Calculator

Solution

The third proportional to 7,285 and 10,987 is: 16,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285 : 10,987 = 10,987 : x
  2. Step 2: Convert to fraction form
    7,285/10,987 = 10,987/x
  3. Step 3: Cross multiply
    7,285x = 10,987 × 10,987
  4. Step 4: Simplify right side
    7,285x = 120,714,169
  5. Step 5: Solve for x
    x = 120,714,169/7,285
  6. Step 6: Final answer
    x = 16,570.24

Related Problems

Find third proportional to 3,642.50 and 5,493.50
Half scale
Find third proportional to 14,570 and 21,974
Double scale
Find third proportional to 7,287 and 10,990
Similar ratio
Find third proportional to 10,927.50 and 16,480.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.