Home / 7,060-11,478

Finding the Third Proportional to 7,060 and 11,478

Calculator

Solution

The third proportional to 7,060 and 11,478 is: 18,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060 : 11,478 = 11,478 : x
  2. Step 2: Convert to fraction form
    7,060/11,478 = 11,478/x
  3. Step 3: Cross multiply
    7,060x = 11,478 × 11,478
  4. Step 4: Simplify right side
    7,060x = 131,744,484
  5. Step 5: Solve for x
    x = 131,744,484/7,060
  6. Step 6: Final answer
    x = 18,660.69

Related Problems

Find third proportional to 3,530 and 5,739
Half scale
Find third proportional to 14,120 and 22,956
Double scale
Find third proportional to 7,062 and 11,481
Similar ratio
Find third proportional to 10,590 and 17,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.