Home / 85,601-206,220

Finding the Third Proportional to 85,601 and 206,220

Calculator

Solution

The third proportional to 85,601 and 206,220 is: 496,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,601 : 206,220 = 206,220 : x
  2. Step 2: Convert to fraction form
    85,601/206,220 = 206,220/x
  3. Step 3: Cross multiply
    85,601x = 206,220 × 206,220
  4. Step 4: Simplify right side
    85,601x = 42,526,688,400
  5. Step 5: Solve for x
    x = 42,526,688,400/85,601
  6. Step 6: Final answer
    x = 496,801.30

Related Problems

Find third proportional to 42,800.50 and 103,110
Half scale
Find third proportional to 171,202 and 412,440
Double scale
Find third proportional to 85,603 and 206,225
Similar ratio
Find third proportional to 128,401.50 and 309,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.