Home / 120,648-263,646

Finding the Third Proportional to 120,648 and 263,646

Calculator

Solution

The third proportional to 120,648 and 263,646 is: 576,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,648 : 263,646 = 263,646 : x
  2. Step 2: Convert to fraction form
    120,648/263,646 = 263,646/x
  3. Step 3: Cross multiply
    120,648x = 263,646 × 263,646
  4. Step 4: Simplify right side
    120,648x = 69,509,213,316
  5. Step 5: Solve for x
    x = 69,509,213,316/120,648
  6. Step 6: Final answer
    x = 576,132.33

Related Problems

Find third proportional to 60,324 and 131,823
Half scale
Find third proportional to 241,296 and 527,292
Double scale
Find third proportional to 120,650 and 263,650
Similar ratio
Find third proportional to 180,972 and 395,469
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.