Home / 75,481-154,239

Finding the Third Proportional to 75,481 and 154,239

Calculator

Solution

The third proportional to 75,481 and 154,239 is: 315,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481 : 154,239 = 154,239 : x
  2. Step 2: Convert to fraction form
    75,481/154,239 = 154,239/x
  3. Step 3: Cross multiply
    75,481x = 154,239 × 154,239
  4. Step 4: Simplify right side
    75,481x = 23,789,669,121
  5. Step 5: Solve for x
    x = 23,789,669,121/75,481
  6. Step 6: Final answer
    x = 315,174.27

Related Problems

Find third proportional to 37,740.50 and 77,119.50
Half scale
Find third proportional to 150,962 and 308,478
Double scale
Find third proportional to 75,483 and 154,243
Similar ratio
Find third proportional to 113,221.50 and 231,358.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.