Home / 10,530-11,259

Finding the Third Proportional to 10,530 and 11,259

Calculator

Solution

The third proportional to 10,530 and 11,259 is: 12,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530 : 11,259 = 11,259 : x
  2. Step 2: Convert to fraction form
    10,530/11,259 = 11,259/x
  3. Step 3: Cross multiply
    10,530x = 11,259 × 11,259
  4. Step 4: Simplify right side
    10,530x = 126,765,081
  5. Step 5: Solve for x
    x = 126,765,081/10,530
  6. Step 6: Final answer
    x = 12,038.47

Related Problems

Find third proportional to 5,265 and 5,629.50
Half scale
Find third proportional to 21,060 and 22,518
Double scale
Find third proportional to 10,532 and 11,261
Similar ratio
Find third proportional to 15,795 and 16,888.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.