Home / 120,942-262,656

Finding the Third Proportional to 120,942 and 262,656

Calculator

Solution

The third proportional to 120,942 and 262,656 is: 570,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,942 : 262,656 = 262,656 : x
  2. Step 2: Convert to fraction form
    120,942/262,656 = 262,656/x
  3. Step 3: Cross multiply
    120,942x = 262,656 × 262,656
  4. Step 4: Simplify right side
    120,942x = 68,988,174,336
  5. Step 5: Solve for x
    x = 68,988,174,336/120,942
  6. Step 6: Final answer
    x = 570,423.63

Related Problems

Find third proportional to 60,471 and 131,328
Half scale
Find third proportional to 241,884 and 525,312
Double scale
Find third proportional to 120,944 and 262,660
Similar ratio
Find third proportional to 181,413 and 393,984
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.