Home / 155,422.50-206,299.50

Finding the Third Proportional to 155,422.50 and 206,299.50

Calculator

Solution

The third proportional to 155,422.50 and 206,299.50 is: 273,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.50 : 206,299.50 = 206,299.50 : x
  2. Step 2: Convert to fraction form
    155,422.50/206,299.50 = 206,299.50/x
  3. Step 3: Cross multiply
    155,422.50x = 206,299.50 × 206,299.50
  4. Step 4: Simplify right side
    155,422.50x = 42,559,483,700.25
  5. Step 5: Solve for x
    x = 42,559,483,700.25/155,422.50
  6. Step 6: Final answer
    x = 273,830.90

Related Problems

Find third proportional to 77,711.25 and 103,149.75
Half scale
Find third proportional to 310,845 and 412,599
Double scale
Find third proportional to 155,425 and 206,302
Similar ratio
Find third proportional to 233,133.75 and 309,449.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.