Home / 235,438-512,908

Finding the Third Proportional to 235,438 and 512,908

Calculator

Solution

The third proportional to 235,438 and 512,908 is: 1,117,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438 : 512,908 = 512,908 : x
  2. Step 2: Convert to fraction form
    235,438/512,908 = 512,908/x
  3. Step 3: Cross multiply
    235,438x = 512,908 × 512,908
  4. Step 4: Simplify right side
    235,438x = 263,074,616,464
  5. Step 5: Solve for x
    x = 263,074,616,464/235,438
  6. Step 6: Final answer
    x = 1,117,383.84

Related Problems

Find third proportional to 117,719 and 256,454
Half scale
Find third proportional to 470,876 and 1,025,816
Double scale
Find third proportional to 235,440 and 512,912
Similar ratio
Find third proportional to 353,157 and 769,362
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.