Home / 87,438-135,032

Finding the Third Proportional to 87,438 and 135,032

Calculator

Solution

The third proportional to 87,438 and 135,032 is: 208,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,438 : 135,032 = 135,032 : x
  2. Step 2: Convert to fraction form
    87,438/135,032 = 135,032/x
  3. Step 3: Cross multiply
    87,438x = 135,032 × 135,032
  4. Step 4: Simplify right side
    87,438x = 18,233,641,024
  5. Step 5: Solve for x
    x = 18,233,641,024/87,438
  6. Step 6: Final answer
    x = 208,532.23

Related Problems

Find third proportional to 43,719 and 67,516
Half scale
Find third proportional to 174,876 and 270,064
Double scale
Find third proportional to 87,440 and 135,035
Similar ratio
Find third proportional to 131,157 and 202,548
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.