Home / 7,478-11,072

Finding the Third Proportional to 7,478 and 11,072

Calculator

Solution

The third proportional to 7,478 and 11,072 is: 16,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478 : 11,072 = 11,072 : x
  2. Step 2: Convert to fraction form
    7,478/11,072 = 11,072/x
  3. Step 3: Cross multiply
    7,478x = 11,072 × 11,072
  4. Step 4: Simplify right side
    7,478x = 122,589,184
  5. Step 5: Solve for x
    x = 122,589,184/7,478
  6. Step 6: Final answer
    x = 16,393.31

Related Problems

Find third proportional to 3,739 and 5,536
Half scale
Find third proportional to 14,956 and 22,144
Double scale
Find third proportional to 7,480 and 11,075
Similar ratio
Find third proportional to 11,217 and 16,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.