Home / 261,844-400,382

Finding the Third Proportional to 261,844 and 400,382

Calculator

Solution

The third proportional to 261,844 and 400,382 is: 612,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,844 : 400,382 = 400,382 : x
  2. Step 2: Convert to fraction form
    261,844/400,382 = 400,382/x
  3. Step 3: Cross multiply
    261,844x = 400,382 × 400,382
  4. Step 4: Simplify right side
    261,844x = 160,305,745,924
  5. Step 5: Solve for x
    x = 160,305,745,924/261,844
  6. Step 6: Final answer
    x = 612,218.52

Related Problems

Find third proportional to 130,922 and 200,191
Half scale
Find third proportional to 523,688 and 800,764
Double scale
Find third proportional to 261,846 and 400,385
Similar ratio
Find third proportional to 392,766 and 600,573
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.