Home / 8,120-17,832

Finding the Third Proportional to 8,120 and 17,832

Calculator

Solution

The third proportional to 8,120 and 17,832 is: 39,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120 : 17,832 = 17,832 : x
  2. Step 2: Convert to fraction form
    8,120/17,832 = 17,832/x
  3. Step 3: Cross multiply
    8,120x = 17,832 × 17,832
  4. Step 4: Simplify right side
    8,120x = 317,980,224
  5. Step 5: Solve for x
    x = 317,980,224/8,120
  6. Step 6: Final answer
    x = 39,160.13

Related Problems

Find third proportional to 4,060 and 8,916
Half scale
Find third proportional to 16,240 and 35,664
Double scale
Find third proportional to 8,122 and 17,836
Similar ratio
Find third proportional to 12,180 and 26,748
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.