Home / 221,726-502,645

Finding the Third Proportional to 221,726 and 502,645

Calculator

Solution

The third proportional to 221,726 and 502,645 is: 1,139,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,726 : 502,645 = 502,645 : x
  2. Step 2: Convert to fraction form
    221,726/502,645 = 502,645/x
  3. Step 3: Cross multiply
    221,726x = 502,645 × 502,645
  4. Step 4: Simplify right side
    221,726x = 252,651,996,025
  5. Step 5: Solve for x
    x = 252,651,996,025/221,726
  6. Step 6: Final answer
    x = 1,139,478.44

Related Problems

Find third proportional to 110,863 and 251,322.50
Half scale
Find third proportional to 443,452 and 1,005,290
Double scale
Find third proportional to 221,728 and 502,650
Similar ratio
Find third proportional to 332,589 and 753,967.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.