Home / 21,942-32,430

Finding the Third Proportional to 21,942 and 32,430

Calculator

Solution

The third proportional to 21,942 and 32,430 is: 47,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942 : 32,430 = 32,430 : x
  2. Step 2: Convert to fraction form
    21,942/32,430 = 32,430/x
  3. Step 3: Cross multiply
    21,942x = 32,430 × 32,430
  4. Step 4: Simplify right side
    21,942x = 1,051,704,900
  5. Step 5: Solve for x
    x = 1,051,704,900/21,942
  6. Step 6: Final answer
    x = 47,931.13

Related Problems

Find third proportional to 10,971 and 16,215
Half scale
Find third proportional to 43,884 and 64,860
Double scale
Find third proportional to 21,944 and 32,433
Similar ratio
Find third proportional to 32,913 and 48,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.