Home / 413,264-628,128

Finding the Third Proportional to 413,264 and 628,128

Calculator

Solution

The third proportional to 413,264 and 628,128 is: 954,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,264 : 628,128 = 628,128 : x
  2. Step 2: Convert to fraction form
    413,264/628,128 = 628,128/x
  3. Step 3: Cross multiply
    413,264x = 628,128 × 628,128
  4. Step 4: Simplify right side
    413,264x = 394,544,784,384
  5. Step 5: Solve for x
    x = 394,544,784,384/413,264
  6. Step 6: Final answer
    x = 954,703.98

Related Problems

Find third proportional to 206,632 and 314,064
Half scale
Find third proportional to 826,528 and 1,256,256
Double scale
Find third proportional to 413,266 and 628,131
Similar ratio
Find third proportional to 619,896 and 942,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.