Home / 69,502-151,478

Finding the Third Proportional to 69,502 and 151,478

Calculator

Solution

The third proportional to 69,502 and 151,478 is: 330,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502 : 151,478 = 151,478 : x
  2. Step 2: Convert to fraction form
    69,502/151,478 = 151,478/x
  3. Step 3: Cross multiply
    69,502x = 151,478 × 151,478
  4. Step 4: Simplify right side
    69,502x = 22,945,584,484
  5. Step 5: Solve for x
    x = 22,945,584,484/69,502
  6. Step 6: Final answer
    x = 330,142.79

Related Problems

Find third proportional to 34,751 and 75,739
Half scale
Find third proportional to 139,004 and 302,956
Double scale
Find third proportional to 69,504 and 151,482
Similar ratio
Find third proportional to 104,253 and 227,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.