Home / 61,968-133,872

Finding the Third Proportional to 61,968 and 133,872

Calculator

Solution

The third proportional to 61,968 and 133,872 is: 289,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968 : 133,872 = 133,872 : x
  2. Step 2: Convert to fraction form
    61,968/133,872 = 133,872/x
  3. Step 3: Cross multiply
    61,968x = 133,872 × 133,872
  4. Step 4: Simplify right side
    61,968x = 17,921,712,384
  5. Step 5: Solve for x
    x = 17,921,712,384/61,968
  6. Step 6: Final answer
    x = 289,209.15

Related Problems

Find third proportional to 30,984 and 66,936
Half scale
Find third proportional to 123,936 and 267,744
Double scale
Find third proportional to 61,970 and 133,876
Similar ratio
Find third proportional to 92,952 and 200,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.