Home / 101,808-221,696

Finding the Third Proportional to 101,808 and 221,696

Calculator

Solution

The third proportional to 101,808 and 221,696 is: 482,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,808 : 221,696 = 221,696 : x
  2. Step 2: Convert to fraction form
    101,808/221,696 = 221,696/x
  3. Step 3: Cross multiply
    101,808x = 221,696 × 221,696
  4. Step 4: Simplify right side
    101,808x = 49,149,116,416
  5. Step 5: Solve for x
    x = 49,149,116,416/101,808
  6. Step 6: Final answer
    x = 482,762.81

Related Problems

Find third proportional to 50,904 and 110,848
Half scale
Find third proportional to 203,616 and 443,392
Double scale
Find third proportional to 101,810 and 221,700
Similar ratio
Find third proportional to 152,712 and 332,544
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.