Home / 171,963-261,630

Finding the Third Proportional to 171,963 and 261,630

Calculator

Solution

The third proportional to 171,963 and 261,630 is: 398,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,963 : 261,630 = 261,630 : x
  2. Step 2: Convert to fraction form
    171,963/261,630 = 261,630/x
  3. Step 3: Cross multiply
    171,963x = 261,630 × 261,630
  4. Step 4: Simplify right side
    171,963x = 68,450,256,900
  5. Step 5: Solve for x
    x = 68,450,256,900/171,963
  6. Step 6: Final answer
    x = 398,052.24

Related Problems

Find third proportional to 85,981.50 and 130,815
Half scale
Find third proportional to 343,926 and 523,260
Double scale
Find third proportional to 171,965 and 261,633
Similar ratio
Find third proportional to 257,944.50 and 392,445
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.