Home / 221,809-480,985.50

Finding the Third Proportional to 221,809 and 480,985.50

Calculator

Solution

The third proportional to 221,809 and 480,985.50 is: 1,043,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,809 : 480,985.50 = 480,985.50 : x
  2. Step 2: Convert to fraction form
    221,809/480,985.50 = 480,985.50/x
  3. Step 3: Cross multiply
    221,809x = 480,985.50 × 480,985.50
  4. Step 4: Simplify right side
    221,809x = 231,347,051,210.25
  5. Step 5: Solve for x
    x = 231,347,051,210.25/221,809
  6. Step 6: Final answer
    x = 1,043,001.19

Related Problems

Find third proportional to 110,904.50 and 240,492.75
Half scale
Find third proportional to 443,618 and 961,971
Double scale
Find third proportional to 221,811 and 480,990
Similar ratio
Find third proportional to 332,713.50 and 721,478.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.