Home / 242,811-380,055

Finding the Third Proportional to 242,811 and 380,055

Calculator

Solution

The third proportional to 242,811 and 380,055 is: 594,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,811 : 380,055 = 380,055 : x
  2. Step 2: Convert to fraction form
    242,811/380,055 = 380,055/x
  3. Step 3: Cross multiply
    242,811x = 380,055 × 380,055
  4. Step 4: Simplify right side
    242,811x = 144,441,803,025
  5. Step 5: Solve for x
    x = 144,441,803,025/242,811
  6. Step 6: Final answer
    x = 594,873.39

Related Problems

Find third proportional to 121,405.50 and 190,027.50
Half scale
Find third proportional to 485,622 and 760,110
Double scale
Find third proportional to 242,813 and 380,058
Similar ratio
Find third proportional to 364,216.50 and 570,082.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.