Home / 8,220-17,868

Finding the Third Proportional to 8,220 and 17,868

Calculator

Solution

The third proportional to 8,220 and 17,868 is: 38,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220 : 17,868 = 17,868 : x
  2. Step 2: Convert to fraction form
    8,220/17,868 = 17,868/x
  3. Step 3: Cross multiply
    8,220x = 17,868 × 17,868
  4. Step 4: Simplify right side
    8,220x = 319,265,424
  5. Step 5: Solve for x
    x = 319,265,424/8,220
  6. Step 6: Final answer
    x = 38,840.08

Related Problems

Find third proportional to 4,110 and 8,934
Half scale
Find third proportional to 16,440 and 35,736
Double scale
Find third proportional to 8,222 and 17,872
Similar ratio
Find third proportional to 12,330 and 26,802
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.