Home / 256,115-375,869

Finding the Third Proportional to 256,115 and 375,869

Calculator

Solution

The third proportional to 256,115 and 375,869 is: 551,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,115 : 375,869 = 375,869 : x
  2. Step 2: Convert to fraction form
    256,115/375,869 = 375,869/x
  3. Step 3: Cross multiply
    256,115x = 375,869 × 375,869
  4. Step 4: Simplify right side
    256,115x = 141,277,505,161
  5. Step 5: Solve for x
    x = 141,277,505,161/256,115
  6. Step 6: Final answer
    x = 551,617.46

Related Problems

Find third proportional to 128,057.50 and 187,934.50
Half scale
Find third proportional to 512,230 and 751,738
Double scale
Find third proportional to 256,117 and 375,872
Similar ratio
Find third proportional to 384,172.50 and 563,803.50
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.