Home / 267,128-381,969

Finding the Third Proportional to 267,128 and 381,969

Calculator

Solution

The third proportional to 267,128 and 381,969 is: 546,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,128 : 381,969 = 381,969 : x
  2. Step 2: Convert to fraction form
    267,128/381,969 = 381,969/x
  3. Step 3: Cross multiply
    267,128x = 381,969 × 381,969
  4. Step 4: Simplify right side
    267,128x = 145,900,316,961
  5. Step 5: Solve for x
    x = 145,900,316,961/267,128
  6. Step 6: Final answer
    x = 546,181.29

Related Problems

Find third proportional to 133,564 and 190,984.50
Half scale
Find third proportional to 534,256 and 763,938
Double scale
Find third proportional to 267,130 and 381,972
Similar ratio
Find third proportional to 400,692 and 572,953.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.