Home / 7,072-9,480

Finding the Third Proportional to 7,072 and 9,480

Calculator

Solution

The third proportional to 7,072 and 9,480 is: 12,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 9,480 = 9,480 : x
  2. Step 2: Convert to fraction form
    7,072/9,480 = 9,480/x
  3. Step 3: Cross multiply
    7,072x = 9,480 × 9,480
  4. Step 4: Simplify right side
    7,072x = 89,870,400
  5. Step 5: Solve for x
    x = 89,870,400/7,072
  6. Step 6: Final answer
    x = 12,707.92

Related Problems

Find third proportional to 3,536 and 4,740
Half scale
Find third proportional to 14,144 and 18,960
Double scale
Find third proportional to 7,074 and 9,483
Similar ratio
Find third proportional to 10,608 and 14,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.