Home / 12,340-18,974

Finding the Third Proportional to 12,340 and 18,974

Calculator

Solution

The third proportional to 12,340 and 18,974 is: 29,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340 : 18,974 = 18,974 : x
  2. Step 2: Convert to fraction form
    12,340/18,974 = 18,974/x
  3. Step 3: Cross multiply
    12,340x = 18,974 × 18,974
  4. Step 4: Simplify right side
    12,340x = 360,012,676
  5. Step 5: Solve for x
    x = 360,012,676/12,340
  6. Step 6: Final answer
    x = 29,174.45

Related Problems

Find third proportional to 6,170 and 9,487
Half scale
Find third proportional to 24,680 and 37,948
Double scale
Find third proportional to 12,342 and 18,977
Similar ratio
Find third proportional to 18,510 and 28,461
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.