Home / 120,552-261,840

Finding the Third Proportional to 120,552 and 261,840

Calculator

Solution

The third proportional to 120,552 and 261,840 is: 568,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,552 : 261,840 = 261,840 : x
  2. Step 2: Convert to fraction form
    120,552/261,840 = 261,840/x
  3. Step 3: Cross multiply
    120,552x = 261,840 × 261,840
  4. Step 4: Simplify right side
    120,552x = 68,560,185,600
  5. Step 5: Solve for x
    x = 68,560,185,600/120,552
  6. Step 6: Final answer
    x = 568,718.77

Related Problems

Find third proportional to 60,276 and 130,920
Half scale
Find third proportional to 241,104 and 523,680
Double scale
Find third proportional to 120,554 and 261,844
Similar ratio
Find third proportional to 180,828 and 392,760
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.