Home / 121,578-262,596

Finding the Third Proportional to 121,578 and 262,596

Calculator

Solution

The third proportional to 121,578 and 262,596 is: 567,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,578 : 262,596 = 262,596 : x
  2. Step 2: Convert to fraction form
    121,578/262,596 = 262,596/x
  3. Step 3: Cross multiply
    121,578x = 262,596 × 262,596
  4. Step 4: Simplify right side
    121,578x = 68,956,659,216
  5. Step 5: Solve for x
    x = 68,956,659,216/121,578
  6. Step 6: Final answer
    x = 567,180.40

Related Problems

Find third proportional to 60,789 and 131,298
Half scale
Find third proportional to 243,156 and 525,192
Double scale
Find third proportional to 121,580 and 262,600
Similar ratio
Find third proportional to 182,367 and 393,894
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.