Home / 71,668-111,344

Finding the Third Proportional to 71,668 and 111,344

Calculator

Solution

The third proportional to 71,668 and 111,344 is: 172,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668 : 111,344 = 111,344 : x
  2. Step 2: Convert to fraction form
    71,668/111,344 = 111,344/x
  3. Step 3: Cross multiply
    71,668x = 111,344 × 111,344
  4. Step 4: Simplify right side
    71,668x = 12,397,486,336
  5. Step 5: Solve for x
    x = 12,397,486,336/71,668
  6. Step 6: Final answer
    x = 172,984.96

Related Problems

Find third proportional to 35,834 and 55,672
Half scale
Find third proportional to 143,336 and 222,688
Double scale
Find third proportional to 71,670 and 111,347
Similar ratio
Find third proportional to 107,502 and 167,016
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.