Home / 220,878-294,281

Finding the Third Proportional to 220,878 and 294,281

Calculator

Solution

The third proportional to 220,878 and 294,281 is: 392,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,878 : 294,281 = 294,281 : x
  2. Step 2: Convert to fraction form
    220,878/294,281 = 294,281/x
  3. Step 3: Cross multiply
    220,878x = 294,281 × 294,281
  4. Step 4: Simplify right side
    220,878x = 86,601,306,961
  5. Step 5: Solve for x
    x = 86,601,306,961/220,878
  6. Step 6: Final answer
    x = 392,077.56

Related Problems

Find third proportional to 110,439 and 147,140.50
Half scale
Find third proportional to 441,756 and 588,562
Double scale
Find third proportional to 220,880 and 294,284
Similar ratio
Find third proportional to 331,317 and 441,421.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.