Home / 67,878-112,480

Finding the Third Proportional to 67,878 and 112,480

Calculator

Solution

The third proportional to 67,878 and 112,480 is: 186,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878 : 112,480 = 112,480 : x
  2. Step 2: Convert to fraction form
    67,878/112,480 = 112,480/x
  3. Step 3: Cross multiply
    67,878x = 112,480 × 112,480
  4. Step 4: Simplify right side
    67,878x = 12,651,750,400
  5. Step 5: Solve for x
    x = 12,651,750,400/67,878
  6. Step 6: Final answer
    x = 186,389.56

Related Problems

Find third proportional to 33,939 and 56,240
Half scale
Find third proportional to 135,756 and 224,960
Double scale
Find third proportional to 67,880 and 112,483
Similar ratio
Find third proportional to 101,817 and 168,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.