Home / 120,854-261,148

Finding the Third Proportional to 120,854 and 261,148

Calculator

Solution

The third proportional to 120,854 and 261,148 is: 564,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,854 : 261,148 = 261,148 : x
  2. Step 2: Convert to fraction form
    120,854/261,148 = 261,148/x
  3. Step 3: Cross multiply
    120,854x = 261,148 × 261,148
  4. Step 4: Simplify right side
    120,854x = 68,198,277,904
  5. Step 5: Solve for x
    x = 68,198,277,904/120,854
  6. Step 6: Final answer
    x = 564,303.03

Related Problems

Find third proportional to 60,427 and 130,574
Half scale
Find third proportional to 241,708 and 522,296
Double scale
Find third proportional to 120,856 and 261,152
Similar ratio
Find third proportional to 181,281 and 391,722
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.