Home / 155,930-243,011

Finding the Third Proportional to 155,930 and 243,011

Calculator

Solution

The third proportional to 155,930 and 243,011 is: 378,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,930 : 243,011 = 243,011 : x
  2. Step 2: Convert to fraction form
    155,930/243,011 = 243,011/x
  3. Step 3: Cross multiply
    155,930x = 243,011 × 243,011
  4. Step 4: Simplify right side
    155,930x = 59,054,346,121
  5. Step 5: Solve for x
    x = 59,054,346,121/155,930
  6. Step 6: Final answer
    x = 378,723.44

Related Problems

Find third proportional to 77,965 and 121,505.50
Half scale
Find third proportional to 311,860 and 486,022
Double scale
Find third proportional to 155,932 and 243,014
Similar ratio
Find third proportional to 233,895 and 364,516.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.