Home / 180,566-280,902

Finding the Third Proportional to 180,566 and 280,902

Calculator

Solution

The third proportional to 180,566 and 280,902 is: 436,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,566 : 280,902 = 280,902 : x
  2. Step 2: Convert to fraction form
    180,566/280,902 = 280,902/x
  3. Step 3: Cross multiply
    180,566x = 280,902 × 280,902
  4. Step 4: Simplify right side
    180,566x = 78,905,933,604
  5. Step 5: Solve for x
    x = 78,905,933,604/180,566
  6. Step 6: Final answer
    x = 436,992.20

Related Problems

Find third proportional to 90,283 and 140,451
Half scale
Find third proportional to 361,132 and 561,804
Double scale
Find third proportional to 180,568 and 280,905
Similar ratio
Find third proportional to 270,849 and 421,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.