Home / 9,942-11,940

Finding the Third Proportional to 9,942 and 11,940

Calculator

Solution

The third proportional to 9,942 and 11,940 is: 14,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942 : 11,940 = 11,940 : x
  2. Step 2: Convert to fraction form
    9,942/11,940 = 11,940/x
  3. Step 3: Cross multiply
    9,942x = 11,940 × 11,940
  4. Step 4: Simplify right side
    9,942x = 142,563,600
  5. Step 5: Solve for x
    x = 142,563,600/9,942
  6. Step 6: Final answer
    x = 14,339.53

Related Problems

Find third proportional to 4,971 and 5,970
Half scale
Find third proportional to 19,884 and 23,880
Double scale
Find third proportional to 9,944 and 11,942
Similar ratio
Find third proportional to 14,913 and 17,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.