Home / 57,474-86,277

Finding the Third Proportional to 57,474 and 86,277

Calculator

Solution

The third proportional to 57,474 and 86,277 is: 129,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474 : 86,277 = 86,277 : x
  2. Step 2: Convert to fraction form
    57,474/86,277 = 86,277/x
  3. Step 3: Cross multiply
    57,474x = 86,277 × 86,277
  4. Step 4: Simplify right side
    57,474x = 7,443,720,729
  5. Step 5: Solve for x
    x = 7,443,720,729/57,474
  6. Step 6: Final answer
    x = 129,514.58

Related Problems

Find third proportional to 28,737 and 43,138.50
Half scale
Find third proportional to 114,948 and 172,554
Double scale
Find third proportional to 57,476 and 86,280
Similar ratio
Find third proportional to 86,211 and 129,415.50
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.