Home / 140,172-211,716

Finding the Third Proportional to 140,172 and 211,716

Calculator

Solution

The third proportional to 140,172 and 211,716 is: 319,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172 : 211,716 = 211,716 : x
  2. Step 2: Convert to fraction form
    140,172/211,716 = 211,716/x
  3. Step 3: Cross multiply
    140,172x = 211,716 × 211,716
  4. Step 4: Simplify right side
    140,172x = 44,823,664,656
  5. Step 5: Solve for x
    x = 44,823,664,656/140,172
  6. Step 6: Final answer
    x = 319,776.17

Related Problems

Find third proportional to 70,086 and 105,858
Half scale
Find third proportional to 280,344 and 423,432
Double scale
Find third proportional to 140,174 and 211,719
Similar ratio
Find third proportional to 210,258 and 317,574
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.