Home / 222,499-490,385

Finding the Third Proportional to 222,499 and 490,385

Calculator

Solution

The third proportional to 222,499 and 490,385 is: 1,080,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,499 : 490,385 = 490,385 : x
  2. Step 2: Convert to fraction form
    222,499/490,385 = 490,385/x
  3. Step 3: Cross multiply
    222,499x = 490,385 × 490,385
  4. Step 4: Simplify right side
    222,499x = 240,477,448,225
  5. Step 5: Solve for x
    x = 240,477,448,225/222,499
  6. Step 6: Final answer
    x = 1,080,802.38

Related Problems

Find third proportional to 111,249.50 and 245,192.50
Half scale
Find third proportional to 444,998 and 980,770
Double scale
Find third proportional to 222,501 and 490,389
Similar ratio
Find third proportional to 333,748.50 and 735,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.