Home / 149,107-221,635.50

Finding the Third Proportional to 149,107 and 221,635.50

Calculator

Solution

The third proportional to 149,107 and 221,635.50 is: 329,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,107 : 221,635.50 = 221,635.50 : x
  2. Step 2: Convert to fraction form
    149,107/221,635.50 = 221,635.50/x
  3. Step 3: Cross multiply
    149,107x = 221,635.50 × 221,635.50
  4. Step 4: Simplify right side
    149,107x = 49,122,294,860.25
  5. Step 5: Solve for x
    x = 49,122,294,860.25/149,107
  6. Step 6: Final answer
    x = 329,443.25

Related Problems

Find third proportional to 74,553.50 and 110,817.75
Half scale
Find third proportional to 298,214 and 443,271
Double scale
Find third proportional to 149,109 and 221,638
Similar ratio
Find third proportional to 223,660.50 and 332,453.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.