Home / 7,340-11,278

Finding the Third Proportional to 7,340 and 11,278

Calculator

Solution

The third proportional to 7,340 and 11,278 is: 17,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340 : 11,278 = 11,278 : x
  2. Step 2: Convert to fraction form
    7,340/11,278 = 11,278/x
  3. Step 3: Cross multiply
    7,340x = 11,278 × 11,278
  4. Step 4: Simplify right side
    7,340x = 127,193,284
  5. Step 5: Solve for x
    x = 127,193,284/7,340
  6. Step 6: Final answer
    x = 17,328.79

Related Problems

Find third proportional to 3,670 and 5,639
Half scale
Find third proportional to 14,680 and 22,556
Double scale
Find third proportional to 7,342 and 11,281
Similar ratio
Find third proportional to 11,010 and 16,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.