Home / 137,130-211,912

Finding the Third Proportional to 137,130 and 211,912

Calculator

Solution

The third proportional to 137,130 and 211,912 is: 327,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,130 : 211,912 = 211,912 : x
  2. Step 2: Convert to fraction form
    137,130/211,912 = 211,912/x
  3. Step 3: Cross multiply
    137,130x = 211,912 × 211,912
  4. Step 4: Simplify right side
    137,130x = 44,906,695,744
  5. Step 5: Solve for x
    x = 44,906,695,744/137,130
  6. Step 6: Final answer
    x = 327,475.36

Related Problems

Find third proportional to 68,565 and 105,956
Half scale
Find third proportional to 274,260 and 423,824
Double scale
Find third proportional to 137,132 and 211,915
Similar ratio
Find third proportional to 205,695 and 317,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.