Home / 171,440-256,992

Finding the Third Proportional to 171,440 and 256,992

Calculator

Solution

The third proportional to 171,440 and 256,992 is: 385,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,440 : 256,992 = 256,992 : x
  2. Step 2: Convert to fraction form
    171,440/256,992 = 256,992/x
  3. Step 3: Cross multiply
    171,440x = 256,992 × 256,992
  4. Step 4: Simplify right side
    171,440x = 66,044,888,064
  5. Step 5: Solve for x
    x = 66,044,888,064/171,440
  6. Step 6: Final answer
    x = 385,236.16

Related Problems

Find third proportional to 85,720 and 128,496
Half scale
Find third proportional to 342,880 and 513,984
Double scale
Find third proportional to 171,442 and 256,995
Similar ratio
Find third proportional to 257,160 and 385,488
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.