Home / 55,406-133,578

Finding the Third Proportional to 55,406 and 133,578

Calculator

Solution

The third proportional to 55,406 and 133,578 is: 322,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406 : 133,578 = 133,578 : x
  2. Step 2: Convert to fraction form
    55,406/133,578 = 133,578/x
  3. Step 3: Cross multiply
    55,406x = 133,578 × 133,578
  4. Step 4: Simplify right side
    55,406x = 17,843,082,084
  5. Step 5: Solve for x
    x = 17,843,082,084/55,406
  6. Step 6: Final answer
    x = 322,042.42

Related Problems

Find third proportional to 27,703 and 66,789
Half scale
Find third proportional to 110,812 and 267,156
Double scale
Find third proportional to 55,408 and 133,583
Similar ratio
Find third proportional to 83,109 and 200,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.