Home / 6,909-8,124

Finding the Third Proportional to 6,909 and 8,124

Calculator

Solution

The third proportional to 6,909 and 8,124 is: 9,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909 : 8,124 = 8,124 : x
  2. Step 2: Convert to fraction form
    6,909/8,124 = 8,124/x
  3. Step 3: Cross multiply
    6,909x = 8,124 × 8,124
  4. Step 4: Simplify right side
    6,909x = 65,999,376
  5. Step 5: Solve for x
    x = 65,999,376/6,909
  6. Step 6: Final answer
    x = 9,552.67

Related Problems

Find third proportional to 3,454.50 and 4,062
Half scale
Find third proportional to 13,818 and 16,248
Double scale
Find third proportional to 6,911 and 8,126
Similar ratio
Find third proportional to 10,363.50 and 12,186
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.