Home / 15,178-30,974

Finding the Third Proportional to 15,178 and 30,974

Calculator

Solution

The third proportional to 15,178 and 30,974 is: 63,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178 : 30,974 = 30,974 : x
  2. Step 2: Convert to fraction form
    15,178/30,974 = 30,974/x
  3. Step 3: Cross multiply
    15,178x = 30,974 × 30,974
  4. Step 4: Simplify right side
    15,178x = 959,388,676
  5. Step 5: Solve for x
    x = 959,388,676/15,178
  6. Step 6: Final answer
    x = 63,209.16

Related Problems

Find third proportional to 7,589 and 15,487
Half scale
Find third proportional to 30,356 and 61,948
Double scale
Find third proportional to 15,180 and 30,978
Similar ratio
Find third proportional to 22,767 and 46,461
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.