Home / 69,208-151,339

Finding the Third Proportional to 69,208 and 151,339

Calculator

Solution

The third proportional to 69,208 and 151,339 is: 330,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,208 : 151,339 = 151,339 : x
  2. Step 2: Convert to fraction form
    69,208/151,339 = 151,339/x
  3. Step 3: Cross multiply
    69,208x = 151,339 × 151,339
  4. Step 4: Simplify right side
    69,208x = 22,903,492,921
  5. Step 5: Solve for x
    x = 22,903,492,921/69,208
  6. Step 6: Final answer
    x = 330,937.07

Related Problems

Find third proportional to 34,604 and 75,669.50
Half scale
Find third proportional to 138,416 and 302,678
Double scale
Find third proportional to 69,210 and 151,343
Similar ratio
Find third proportional to 103,812 and 227,008.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.