Home / 168,656-256,440

Finding the Third Proportional to 168,656 and 256,440

Calculator

Solution

The third proportional to 168,656 and 256,440 is: 389,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,656 : 256,440 = 256,440 : x
  2. Step 2: Convert to fraction form
    168,656/256,440 = 256,440/x
  3. Step 3: Cross multiply
    168,656x = 256,440 × 256,440
  4. Step 4: Simplify right side
    168,656x = 65,761,473,600
  5. Step 5: Solve for x
    x = 65,761,473,600/168,656
  6. Step 6: Final answer
    x = 389,914.82

Related Problems

Find third proportional to 84,328 and 128,220
Half scale
Find third proportional to 337,312 and 512,880
Double scale
Find third proportional to 168,658 and 256,443
Similar ratio
Find third proportional to 252,984 and 384,660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.