Home / 6,078-9,120

Finding the Third Proportional to 6,078 and 9,120

Calculator

Solution

The third proportional to 6,078 and 9,120 is: 13,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078 : 9,120 = 9,120 : x
  2. Step 2: Convert to fraction form
    6,078/9,120 = 9,120/x
  3. Step 3: Cross multiply
    6,078x = 9,120 × 9,120
  4. Step 4: Simplify right side
    6,078x = 83,174,400
  5. Step 5: Solve for x
    x = 83,174,400/6,078
  6. Step 6: Final answer
    x = 13,684.50

Related Problems

Find third proportional to 3,039 and 4,560
Half scale
Find third proportional to 12,156 and 18,240
Double scale
Find third proportional to 6,080 and 9,123
Similar ratio
Find third proportional to 9,117 and 13,680
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.