Home / 103,878-220,716

Finding the Third Proportional to 103,878 and 220,716

Calculator

Solution

The third proportional to 103,878 and 220,716 is: 468,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,878 : 220,716 = 220,716 : x
  2. Step 2: Convert to fraction form
    103,878/220,716 = 220,716/x
  3. Step 3: Cross multiply
    103,878x = 220,716 × 220,716
  4. Step 4: Simplify right side
    103,878x = 48,715,552,656
  5. Step 5: Solve for x
    x = 48,715,552,656/103,878
  6. Step 6: Final answer
    x = 468,968.91

Related Problems

Find third proportional to 51,939 and 110,358
Half scale
Find third proportional to 207,756 and 441,432
Double scale
Find third proportional to 103,880 and 220,720
Similar ratio
Find third proportional to 155,817 and 331,074
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.