Home / 120,026-261,220

Finding the Third Proportional to 120,026 and 261,220

Calculator

Solution

The third proportional to 120,026 and 261,220 is: 568,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,026 : 261,220 = 261,220 : x
  2. Step 2: Convert to fraction form
    120,026/261,220 = 261,220/x
  3. Step 3: Cross multiply
    120,026x = 261,220 × 261,220
  4. Step 4: Simplify right side
    120,026x = 68,235,888,400
  5. Step 5: Solve for x
    x = 68,235,888,400/120,026
  6. Step 6: Final answer
    x = 568,509.23

Related Problems

Find third proportional to 60,013 and 130,610
Half scale
Find third proportional to 240,052 and 522,440
Double scale
Find third proportional to 120,028 and 261,224
Similar ratio
Find third proportional to 180,039 and 391,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.