Home / 8,330-18,228

Finding the Third Proportional to 8,330 and 18,228

Calculator

Solution

The third proportional to 8,330 and 18,228 is: 39,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330 : 18,228 = 18,228 : x
  2. Step 2: Convert to fraction form
    8,330/18,228 = 18,228/x
  3. Step 3: Cross multiply
    8,330x = 18,228 × 18,228
  4. Step 4: Simplify right side
    8,330x = 332,259,984
  5. Step 5: Solve for x
    x = 332,259,984/8,330
  6. Step 6: Final answer
    x = 39,887.15

Related Problems

Find third proportional to 4,165 and 9,114
Half scale
Find third proportional to 16,660 and 36,456
Double scale
Find third proportional to 8,332 and 18,232
Similar ratio
Find third proportional to 12,495 and 27,342
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.