Home / 69,436-151,415

Finding the Third Proportional to 69,436 and 151,415

Calculator

Solution

The third proportional to 69,436 and 151,415 is: 330,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,436 : 151,415 = 151,415 : x
  2. Step 2: Convert to fraction form
    69,436/151,415 = 151,415/x
  3. Step 3: Cross multiply
    69,436x = 151,415 × 151,415
  4. Step 4: Simplify right side
    69,436x = 22,926,502,225
  5. Step 5: Solve for x
    x = 22,926,502,225/69,436
  6. Step 6: Final answer
    x = 330,181.78

Related Problems

Find third proportional to 34,718 and 75,707.50
Half scale
Find third proportional to 138,872 and 302,830
Double scale
Find third proportional to 69,438 and 151,419
Similar ratio
Find third proportional to 104,154 and 227,122.50
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.