Home / 120,855-265,875

Finding the Third Proportional to 120,855 and 265,875

Calculator

Solution

The third proportional to 120,855 and 265,875 is: 584,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855 : 265,875 = 265,875 : x
  2. Step 2: Convert to fraction form
    120,855/265,875 = 265,875/x
  3. Step 3: Cross multiply
    120,855x = 265,875 × 265,875
  4. Step 4: Simplify right side
    120,855x = 70,689,515,625
  5. Step 5: Solve for x
    x = 70,689,515,625/120,855
  6. Step 6: Final answer
    x = 584,911.80

Related Problems

Find third proportional to 60,427.50 and 132,937.50
Half scale
Find third proportional to 241,710 and 531,750
Double scale
Find third proportional to 120,857 and 265,879
Similar ratio
Find third proportional to 181,282.50 and 398,812.50
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.