Home / 61,668-81,984

Finding the Third Proportional to 61,668 and 81,984

Calculator

Solution

The third proportional to 61,668 and 81,984 is: 108,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668 : 81,984 = 81,984 : x
  2. Step 2: Convert to fraction form
    61,668/81,984 = 81,984/x
  3. Step 3: Cross multiply
    61,668x = 81,984 × 81,984
  4. Step 4: Simplify right side
    61,668x = 6,721,376,256
  5. Step 5: Solve for x
    x = 6,721,376,256/61,668
  6. Step 6: Final answer
    x = 108,992.93

Related Problems

Find third proportional to 30,834 and 40,992
Half scale
Find third proportional to 123,336 and 163,968
Double scale
Find third proportional to 61,670 and 81,987
Similar ratio
Find third proportional to 92,502 and 122,976
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.