Home / 19,221-40,530

Finding the Third Proportional to 19,221 and 40,530

Calculator

Solution

The third proportional to 19,221 and 40,530 is: 85,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221 : 40,530 = 40,530 : x
  2. Step 2: Convert to fraction form
    19,221/40,530 = 40,530/x
  3. Step 3: Cross multiply
    19,221x = 40,530 × 40,530
  4. Step 4: Simplify right side
    19,221x = 1,642,680,900
  5. Step 5: Solve for x
    x = 1,642,680,900/19,221
  6. Step 6: Final answer
    x = 85,462.82

Related Problems

Find third proportional to 9,610.50 and 20,265
Half scale
Find third proportional to 38,442 and 81,060
Double scale
Find third proportional to 19,223 and 40,534
Similar ratio
Find third proportional to 28,831.50 and 60,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.