Home / 12,974-20,130

Finding the Third Proportional to 12,974 and 20,130

Calculator

Solution

The third proportional to 12,974 and 20,130 is: 31,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974 : 20,130 = 20,130 : x
  2. Step 2: Convert to fraction form
    12,974/20,130 = 20,130/x
  3. Step 3: Cross multiply
    12,974x = 20,130 × 20,130
  4. Step 4: Simplify right side
    12,974x = 405,216,900
  5. Step 5: Solve for x
    x = 405,216,900/12,974
  6. Step 6: Final answer
    x = 31,233.00

Related Problems

Find third proportional to 6,487 and 10,065
Half scale
Find third proportional to 25,948 and 40,260
Double scale
Find third proportional to 12,976 and 20,133
Similar ratio
Find third proportional to 19,461 and 30,195
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.