Home / 133,315-204,920

Finding the Third Proportional to 133,315 and 204,920

Calculator

Solution

The third proportional to 133,315 and 204,920 is: 314,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315 : 204,920 = 204,920 : x
  2. Step 2: Convert to fraction form
    133,315/204,920 = 204,920/x
  3. Step 3: Cross multiply
    133,315x = 204,920 × 204,920
  4. Step 4: Simplify right side
    133,315x = 41,992,206,400
  5. Step 5: Solve for x
    x = 41,992,206,400/133,315
  6. Step 6: Final answer
    x = 314,984.86

Related Problems

Find third proportional to 66,657.50 and 102,460
Half scale
Find third proportional to 266,630 and 409,840
Double scale
Find third proportional to 133,317 and 204,923
Similar ratio
Find third proportional to 199,972.50 and 307,380
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.