Home / 82,642-131,347

Finding the Third Proportional to 82,642 and 131,347

Calculator

Solution

The third proportional to 82,642 and 131,347 is: 208,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,642 : 131,347 = 131,347 : x
  2. Step 2: Convert to fraction form
    82,642/131,347 = 131,347/x
  3. Step 3: Cross multiply
    82,642x = 131,347 × 131,347
  4. Step 4: Simplify right side
    82,642x = 17,252,034,409
  5. Step 5: Solve for x
    x = 17,252,034,409/82,642
  6. Step 6: Final answer
    x = 208,756.25

Related Problems

Find third proportional to 41,321 and 65,673.50
Half scale
Find third proportional to 165,284 and 262,694
Double scale
Find third proportional to 82,644 and 131,350
Similar ratio
Find third proportional to 123,963 and 197,020.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.