Home / 120,350-260,788

Finding the Third Proportional to 120,350 and 260,788

Calculator

Solution

The third proportional to 120,350 and 260,788 is: 565,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,350 : 260,788 = 260,788 : x
  2. Step 2: Convert to fraction form
    120,350/260,788 = 260,788/x
  3. Step 3: Cross multiply
    120,350x = 260,788 × 260,788
  4. Step 4: Simplify right side
    120,350x = 68,010,380,944
  5. Step 5: Solve for x
    x = 68,010,380,944/120,350
  6. Step 6: Final answer
    x = 565,104.95

Related Problems

Find third proportional to 60,175 and 130,394
Half scale
Find third proportional to 240,700 and 521,576
Double scale
Find third proportional to 120,352 and 260,792
Similar ratio
Find third proportional to 180,525 and 391,182
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.