Home / 9,940-15,982

Finding the Third Proportional to 9,940 and 15,982

Calculator

Solution

The third proportional to 9,940 and 15,982 is: 25,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940 : 15,982 = 15,982 : x
  2. Step 2: Convert to fraction form
    9,940/15,982 = 15,982/x
  3. Step 3: Cross multiply
    9,940x = 15,982 × 15,982
  4. Step 4: Simplify right side
    9,940x = 255,424,324
  5. Step 5: Solve for x
    x = 255,424,324/9,940
  6. Step 6: Final answer
    x = 25,696.61

Related Problems

Find third proportional to 4,970 and 7,991
Half scale
Find third proportional to 19,880 and 31,964
Double scale
Find third proportional to 9,942 and 15,985
Similar ratio
Find third proportional to 14,910 and 23,973
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.