Home / 256,128-375,888

Finding the Third Proportional to 256,128 and 375,888

Calculator

Solution

The third proportional to 256,128 and 375,888 is: 551,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,128 : 375,888 = 375,888 : x
  2. Step 2: Convert to fraction form
    256,128/375,888 = 375,888/x
  3. Step 3: Cross multiply
    256,128x = 375,888 × 375,888
  4. Step 4: Simplify right side
    256,128x = 141,291,788,544
  5. Step 5: Solve for x
    x = 141,291,788,544/256,128
  6. Step 6: Final answer
    x = 551,645.23

Related Problems

Find third proportional to 128,064 and 187,944
Half scale
Find third proportional to 512,256 and 751,776
Double scale
Find third proportional to 256,130 and 375,891
Similar ratio
Find third proportional to 384,192 and 563,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.