Home / 131,807-204,265

Finding the Third Proportional to 131,807 and 204,265

Calculator

Solution

The third proportional to 131,807 and 204,265 is: 316,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807 : 204,265 = 204,265 : x
  2. Step 2: Convert to fraction form
    131,807/204,265 = 204,265/x
  3. Step 3: Cross multiply
    131,807x = 204,265 × 204,265
  4. Step 4: Simplify right side
    131,807x = 41,724,190,225
  5. Step 5: Solve for x
    x = 41,724,190,225/131,807
  6. Step 6: Final answer
    x = 316,555.19

Related Problems

Find third proportional to 65,903.50 and 102,132.50
Half scale
Find third proportional to 263,614 and 408,530
Double scale
Find third proportional to 131,809 and 204,268
Similar ratio
Find third proportional to 197,710.50 and 306,397.50
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.