Home / 63,138-128,452

Finding the Third Proportional to 63,138 and 128,452

Calculator

Solution

The third proportional to 63,138 and 128,452 is: 261,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138 : 128,452 = 128,452 : x
  2. Step 2: Convert to fraction form
    63,138/128,452 = 128,452/x
  3. Step 3: Cross multiply
    63,138x = 128,452 × 128,452
  4. Step 4: Simplify right side
    63,138x = 16,499,916,304
  5. Step 5: Solve for x
    x = 16,499,916,304/63,138
  6. Step 6: Final answer
    x = 261,330.99

Related Problems

Find third proportional to 31,569 and 64,226
Half scale
Find third proportional to 126,276 and 256,904
Double scale
Find third proportional to 63,140 and 128,456
Similar ratio
Find third proportional to 94,707 and 192,678
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.