Home / 266,118-401,939

Finding the Third Proportional to 266,118 and 401,939

Calculator

Solution

The third proportional to 266,118 and 401,939 is: 607,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,118 : 401,939 = 401,939 : x
  2. Step 2: Convert to fraction form
    266,118/401,939 = 401,939/x
  3. Step 3: Cross multiply
    266,118x = 401,939 × 401,939
  4. Step 4: Simplify right side
    266,118x = 161,554,959,721
  5. Step 5: Solve for x
    x = 161,554,959,721/266,118
  6. Step 6: Final answer
    x = 607,080.17

Related Problems

Find third proportional to 133,059 and 200,969.50
Half scale
Find third proportional to 532,236 and 803,878
Double scale
Find third proportional to 266,120 and 401,942
Similar ratio
Find third proportional to 399,177 and 602,908.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.