Home / 98,990-220,066

Finding the Third Proportional to 98,990 and 220,066

Calculator

Solution

The third proportional to 98,990 and 220,066 is: 489,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,990 : 220,066 = 220,066 : x
  2. Step 2: Convert to fraction form
    98,990/220,066 = 220,066/x
  3. Step 3: Cross multiply
    98,990x = 220,066 × 220,066
  4. Step 4: Simplify right side
    98,990x = 48,429,044,356
  5. Step 5: Solve for x
    x = 48,429,044,356/98,990
  6. Step 6: Final answer
    x = 489,231.68

Related Problems

Find third proportional to 49,495 and 110,033
Half scale
Find third proportional to 197,980 and 440,132
Double scale
Find third proportional to 98,992 and 220,070
Similar ratio
Find third proportional to 148,485 and 330,099
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.