Home / 144,615-222,420

Finding the Third Proportional to 144,615 and 222,420

Calculator

Solution

The third proportional to 144,615 and 222,420 is: 342,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615 : 222,420 = 222,420 : x
  2. Step 2: Convert to fraction form
    144,615/222,420 = 222,420/x
  3. Step 3: Cross multiply
    144,615x = 222,420 × 222,420
  4. Step 4: Simplify right side
    144,615x = 49,470,656,400
  5. Step 5: Solve for x
    x = 49,470,656,400/144,615
  6. Step 6: Final answer
    x = 342,085.24

Related Problems

Find third proportional to 72,307.50 and 111,210
Half scale
Find third proportional to 289,230 and 444,840
Double scale
Find third proportional to 144,617 and 222,423
Similar ratio
Find third proportional to 216,922.50 and 333,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.