Home / 6,878-9,560

Finding the Third Proportional to 6,878 and 9,560

Calculator

Solution

The third proportional to 6,878 and 9,560 is: 13,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878 : 9,560 = 9,560 : x
  2. Step 2: Convert to fraction form
    6,878/9,560 = 9,560/x
  3. Step 3: Cross multiply
    6,878x = 9,560 × 9,560
  4. Step 4: Simplify right side
    6,878x = 91,393,600
  5. Step 5: Solve for x
    x = 91,393,600/6,878
  6. Step 6: Final answer
    x = 13,287.82

Related Problems

Find third proportional to 3,439 and 4,780
Half scale
Find third proportional to 13,756 and 19,120
Double scale
Find third proportional to 6,880 and 9,563
Similar ratio
Find third proportional to 10,317 and 14,340
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.