Home / 143,818-214,906

Finding the Third Proportional to 143,818 and 214,906

Calculator

Solution

The third proportional to 143,818 and 214,906 is: 321,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,818 : 214,906 = 214,906 : x
  2. Step 2: Convert to fraction form
    143,818/214,906 = 214,906/x
  3. Step 3: Cross multiply
    143,818x = 214,906 × 214,906
  4. Step 4: Simplify right side
    143,818x = 46,184,588,836
  5. Step 5: Solve for x
    x = 46,184,588,836/143,818
  6. Step 6: Final answer
    x = 321,132.19

Related Problems

Find third proportional to 71,909 and 107,453
Half scale
Find third proportional to 287,636 and 429,812
Double scale
Find third proportional to 143,820 and 214,909
Similar ratio
Find third proportional to 215,727 and 322,359
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.