Home / 80,722-133,403

Finding the Third Proportional to 80,722 and 133,403

Calculator

Solution

The third proportional to 80,722 and 133,403 is: 220,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722 : 133,403 = 133,403 : x
  2. Step 2: Convert to fraction form
    80,722/133,403 = 133,403/x
  3. Step 3: Cross multiply
    80,722x = 133,403 × 133,403
  4. Step 4: Simplify right side
    80,722x = 17,796,360,409
  5. Step 5: Solve for x
    x = 17,796,360,409/80,722
  6. Step 6: Final answer
    x = 220,464.81

Related Problems

Find third proportional to 40,361 and 66,701.50
Half scale
Find third proportional to 161,444 and 266,806
Double scale
Find third proportional to 80,724 and 133,406
Similar ratio
Find third proportional to 121,083 and 200,104.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.