Home / 7,360-8,160

Finding the Third Proportional to 7,360 and 8,160

Calculator

Solution

The third proportional to 7,360 and 8,160 is: 9,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360 : 8,160 = 8,160 : x
  2. Step 2: Convert to fraction form
    7,360/8,160 = 8,160/x
  3. Step 3: Cross multiply
    7,360x = 8,160 × 8,160
  4. Step 4: Simplify right side
    7,360x = 66,585,600
  5. Step 5: Solve for x
    x = 66,585,600/7,360
  6. Step 6: Final answer
    x = 9,046.96

Related Problems

Find third proportional to 3,680 and 4,080
Half scale
Find third proportional to 14,720 and 16,320
Double scale
Find third proportional to 7,362 and 8,162
Similar ratio
Find third proportional to 11,040 and 12,240
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.