Home / 101,420-220,010

Finding the Third Proportional to 101,420 and 220,010

Calculator

Solution

The third proportional to 101,420 and 220,010 is: 477,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,420 : 220,010 = 220,010 : x
  2. Step 2: Convert to fraction form
    101,420/220,010 = 220,010/x
  3. Step 3: Cross multiply
    101,420x = 220,010 × 220,010
  4. Step 4: Simplify right side
    101,420x = 48,404,400,100
  5. Step 5: Solve for x
    x = 48,404,400,100/101,420
  6. Step 6: Final answer
    x = 477,266.81

Related Problems

Find third proportional to 50,710 and 110,005
Half scale
Find third proportional to 202,840 and 440,020
Double scale
Find third proportional to 101,422 and 220,014
Similar ratio
Find third proportional to 152,130 and 330,015
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.