Home / 121,330-263,618

Finding the Third Proportional to 121,330 and 263,618

Calculator

Solution

The third proportional to 121,330 and 263,618 is: 572,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,330 : 263,618 = 263,618 : x
  2. Step 2: Convert to fraction form
    121,330/263,618 = 263,618/x
  3. Step 3: Cross multiply
    121,330x = 263,618 × 263,618
  4. Step 4: Simplify right side
    121,330x = 69,494,449,924
  5. Step 5: Solve for x
    x = 69,494,449,924/121,330
  6. Step 6: Final answer
    x = 572,772.19

Related Problems

Find third proportional to 60,665 and 131,809
Half scale
Find third proportional to 242,660 and 527,236
Double scale
Find third proportional to 121,332 and 263,622
Similar ratio
Find third proportional to 181,995 and 395,427
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.