Home / 6,216-8,316

Finding the Third Proportional to 6,216 and 8,316

Calculator

Solution

The third proportional to 6,216 and 8,316 is: 11,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216 : 8,316 = 8,316 : x
  2. Step 2: Convert to fraction form
    6,216/8,316 = 8,316/x
  3. Step 3: Cross multiply
    6,216x = 8,316 × 8,316
  4. Step 4: Simplify right side
    6,216x = 69,155,856
  5. Step 5: Solve for x
    x = 69,155,856/6,216
  6. Step 6: Final answer
    x = 11,125.46

Related Problems

Find third proportional to 3,108 and 4,158
Half scale
Find third proportional to 12,432 and 16,632
Double scale
Find third proportional to 6,218 and 8,319
Similar ratio
Find third proportional to 9,324 and 12,474
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.