Home / 8,120-17,656

Finding the Third Proportional to 8,120 and 17,656

Calculator

Solution

The third proportional to 8,120 and 17,656 is: 38,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120 : 17,656 = 17,656 : x
  2. Step 2: Convert to fraction form
    8,120/17,656 = 17,656/x
  3. Step 3: Cross multiply
    8,120x = 17,656 × 17,656
  4. Step 4: Simplify right side
    8,120x = 311,734,336
  5. Step 5: Solve for x
    x = 311,734,336/8,120
  6. Step 6: Final answer
    x = 38,390.93

Related Problems

Find third proportional to 4,060 and 8,828
Half scale
Find third proportional to 16,240 and 35,312
Double scale
Find third proportional to 8,122 and 17,660
Similar ratio
Find third proportional to 12,180 and 26,484
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.