Home / 86,315-131,274

Finding the Third Proportional to 86,315 and 131,274

Calculator

Solution

The third proportional to 86,315 and 131,274 is: 199,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,315 : 131,274 = 131,274 : x
  2. Step 2: Convert to fraction form
    86,315/131,274 = 131,274/x
  3. Step 3: Cross multiply
    86,315x = 131,274 × 131,274
  4. Step 4: Simplify right side
    86,315x = 17,232,863,076
  5. Step 5: Solve for x
    x = 17,232,863,076/86,315
  6. Step 6: Final answer
    x = 199,650.85

Related Problems

Find third proportional to 43,157.50 and 65,637
Half scale
Find third proportional to 172,630 and 262,548
Double scale
Find third proportional to 86,317 and 131,277
Similar ratio
Find third proportional to 129,472.50 and 196,911
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.