Home / 6,940-8,784

Finding the Third Proportional to 6,940 and 8,784

Calculator

Solution

The third proportional to 6,940 and 8,784 is: 11,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940 : 8,784 = 8,784 : x
  2. Step 2: Convert to fraction form
    6,940/8,784 = 8,784/x
  3. Step 3: Cross multiply
    6,940x = 8,784 × 8,784
  4. Step 4: Simplify right side
    6,940x = 77,158,656
  5. Step 5: Solve for x
    x = 77,158,656/6,940
  6. Step 6: Final answer
    x = 11,117.96

Related Problems

Find third proportional to 3,470 and 4,392
Half scale
Find third proportional to 13,880 and 17,568
Double scale
Find third proportional to 6,942 and 8,787
Similar ratio
Find third proportional to 10,410 and 13,176
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.