Home / 121,395.50-266,879

Finding the Third Proportional to 121,395.50 and 266,879

Calculator

Solution

The third proportional to 121,395.50 and 266,879 is: 586,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395.50 : 266,879 = 266,879 : x
  2. Step 2: Convert to fraction form
    121,395.50/266,879 = 266,879/x
  3. Step 3: Cross multiply
    121,395.50x = 266,879 × 266,879
  4. Step 4: Simplify right side
    121,395.50x = 71,224,400,641
  5. Step 5: Solve for x
    x = 71,224,400,641/121,395.50
  6. Step 6: Final answer
    x = 586,713.68

Related Problems

Find third proportional to 60,697.75 and 133,439.50
Half scale
Find third proportional to 242,791 and 533,758
Double scale
Find third proportional to 121,398 and 266,883
Similar ratio
Find third proportional to 182,093.25 and 400,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.