Home / 199,008-315,112

Finding the Third Proportional to 199,008 and 315,112

Calculator

Solution

The third proportional to 199,008 and 315,112 is: 498,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,008 : 315,112 = 315,112 : x
  2. Step 2: Convert to fraction form
    199,008/315,112 = 315,112/x
  3. Step 3: Cross multiply
    199,008x = 315,112 × 315,112
  4. Step 4: Simplify right side
    199,008x = 99,295,572,544
  5. Step 5: Solve for x
    x = 99,295,572,544/199,008
  6. Step 6: Final answer
    x = 498,952.67

Related Problems

Find third proportional to 99,504 and 157,556
Half scale
Find third proportional to 398,016 and 630,224
Double scale
Find third proportional to 199,010 and 315,115
Similar ratio
Find third proportional to 298,512 and 472,668
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.