Home / 8,552-11,420

Finding the Third Proportional to 8,552 and 11,420

Calculator

Solution

The third proportional to 8,552 and 11,420 is: 15,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552 : 11,420 = 11,420 : x
  2. Step 2: Convert to fraction form
    8,552/11,420 = 11,420/x
  3. Step 3: Cross multiply
    8,552x = 11,420 × 11,420
  4. Step 4: Simplify right side
    8,552x = 130,416,400
  5. Step 5: Solve for x
    x = 130,416,400/8,552
  6. Step 6: Final answer
    x = 15,249.81

Related Problems

Find third proportional to 4,276 and 5,710
Half scale
Find third proportional to 17,104 and 22,840
Double scale
Find third proportional to 8,554 and 11,423
Similar ratio
Find third proportional to 12,828 and 17,130
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.