Home / 149,715-220,189

Finding the Third Proportional to 149,715 and 220,189

Calculator

Solution

The third proportional to 149,715 and 220,189 is: 323,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,715 : 220,189 = 220,189 : x
  2. Step 2: Convert to fraction form
    149,715/220,189 = 220,189/x
  3. Step 3: Cross multiply
    149,715x = 220,189 × 220,189
  4. Step 4: Simplify right side
    149,715x = 48,483,195,721
  5. Step 5: Solve for x
    x = 48,483,195,721/149,715
  6. Step 6: Final answer
    x = 323,836.59

Related Problems

Find third proportional to 74,857.50 and 110,094.50
Half scale
Find third proportional to 299,430 and 440,378
Double scale
Find third proportional to 149,717 and 220,192
Similar ratio
Find third proportional to 224,572.50 and 330,283.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.