Home / 21,188-40,452

Finding the Third Proportional to 21,188 and 40,452

Calculator

Solution

The third proportional to 21,188 and 40,452 is: 77,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,188 : 40,452 = 40,452 : x
  2. Step 2: Convert to fraction form
    21,188/40,452 = 40,452/x
  3. Step 3: Cross multiply
    21,188x = 40,452 × 40,452
  4. Step 4: Simplify right side
    21,188x = 1,636,364,304
  5. Step 5: Solve for x
    x = 1,636,364,304/21,188
  6. Step 6: Final answer
    x = 77,230.71

Related Problems

Find third proportional to 10,594 and 20,226
Half scale
Find third proportional to 42,376 and 80,904
Double scale
Find third proportional to 21,190 and 40,456
Similar ratio
Find third proportional to 31,782 and 60,678
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.