Home / 120,640-264,912

Finding the Third Proportional to 120,640 and 264,912

Calculator

Solution

The third proportional to 120,640 and 264,912 is: 581,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,640 : 264,912 = 264,912 : x
  2. Step 2: Convert to fraction form
    120,640/264,912 = 264,912/x
  3. Step 3: Cross multiply
    120,640x = 264,912 × 264,912
  4. Step 4: Simplify right side
    120,640x = 70,178,367,744
  5. Step 5: Solve for x
    x = 70,178,367,744/120,640
  6. Step 6: Final answer
    x = 581,717.24

Related Problems

Find third proportional to 60,320 and 132,456
Half scale
Find third proportional to 241,280 and 529,824
Double scale
Find third proportional to 120,642 and 264,916
Similar ratio
Find third proportional to 180,960 and 397,368
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.