Home / 266,787-406,956

Finding the Third Proportional to 266,787 and 406,956

Calculator

Solution

The third proportional to 266,787 and 406,956 is: 620,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,787 : 406,956 = 406,956 : x
  2. Step 2: Convert to fraction form
    266,787/406,956 = 406,956/x
  3. Step 3: Cross multiply
    266,787x = 406,956 × 406,956
  4. Step 4: Simplify right side
    266,787x = 165,613,185,936
  5. Step 5: Solve for x
    x = 165,613,185,936/266,787
  6. Step 6: Final answer
    x = 620,769.33

Related Problems

Find third proportional to 133,393.50 and 203,478
Half scale
Find third proportional to 533,574 and 813,912
Double scale
Find third proportional to 266,789 and 406,959
Similar ratio
Find third proportional to 400,180.50 and 610,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.