Home / 9,940-21,226

Finding the Third Proportional to 9,940 and 21,226

Calculator

Solution

The third proportional to 9,940 and 21,226 is: 45,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940 : 21,226 = 21,226 : x
  2. Step 2: Convert to fraction form
    9,940/21,226 = 21,226/x
  3. Step 3: Cross multiply
    9,940x = 21,226 × 21,226
  4. Step 4: Simplify right side
    9,940x = 450,543,076
  5. Step 5: Solve for x
    x = 450,543,076/9,940
  6. Step 6: Final answer
    x = 45,326.27

Related Problems

Find third proportional to 4,970 and 10,613
Half scale
Find third proportional to 19,880 and 42,452
Double scale
Find third proportional to 9,942 and 21,230
Similar ratio
Find third proportional to 14,910 and 31,839
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.