Home / 443,315-668,256

Finding the Third Proportional to 443,315 and 668,256

Calculator

Solution

The third proportional to 443,315 and 668,256 is: 1,007,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,315 : 668,256 = 668,256 : x
  2. Step 2: Convert to fraction form
    443,315/668,256 = 668,256/x
  3. Step 3: Cross multiply
    443,315x = 668,256 × 668,256
  4. Step 4: Simplify right side
    443,315x = 446,566,081,536
  5. Step 5: Solve for x
    x = 446,566,081,536/443,315
  6. Step 6: Final answer
    x = 1,007,333.57

Related Problems

Find third proportional to 221,657.50 and 334,128
Half scale
Find third proportional to 886,630 and 1,336,512
Double scale
Find third proportional to 443,317 and 668,259
Similar ratio
Find third proportional to 664,972.50 and 1,002,384
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.