Home / 12,582-19,989

Finding the Third Proportional to 12,582 and 19,989

Calculator

Solution

The third proportional to 12,582 and 19,989 is: 31,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582 : 19,989 = 19,989 : x
  2. Step 2: Convert to fraction form
    12,582/19,989 = 19,989/x
  3. Step 3: Cross multiply
    12,582x = 19,989 × 19,989
  4. Step 4: Simplify right side
    12,582x = 399,560,121
  5. Step 5: Solve for x
    x = 399,560,121/12,582
  6. Step 6: Final answer
    x = 31,756.49

Related Problems

Find third proportional to 6,291 and 9,994.50
Half scale
Find third proportional to 25,164 and 39,978
Double scale
Find third proportional to 12,584 and 19,992
Similar ratio
Find third proportional to 18,873 and 29,983.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.