Home / 220,197-306,391.50

Finding the Third Proportional to 220,197 and 306,391.50

Calculator

Solution

The third proportional to 220,197 and 306,391.50 is: 426,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,197 : 306,391.50 = 306,391.50 : x
  2. Step 2: Convert to fraction form
    220,197/306,391.50 = 306,391.50/x
  3. Step 3: Cross multiply
    220,197x = 306,391.50 × 306,391.50
  4. Step 4: Simplify right side
    220,197x = 93,875,751,272.25
  5. Step 5: Solve for x
    x = 93,875,751,272.25/220,197
  6. Step 6: Final answer
    x = 426,326.20

Related Problems

Find third proportional to 110,098.50 and 153,195.75
Half scale
Find third proportional to 440,394 and 612,783
Double scale
Find third proportional to 220,199 and 306,394
Similar ratio
Find third proportional to 330,295.50 and 459,587.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.