Home / 139,334-305,368

Finding the Third Proportional to 139,334 and 305,368

Calculator

Solution

The third proportional to 139,334 and 305,368 is: 669,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,334 : 305,368 = 305,368 : x
  2. Step 2: Convert to fraction form
    139,334/305,368 = 305,368/x
  3. Step 3: Cross multiply
    139,334x = 305,368 × 305,368
  4. Step 4: Simplify right side
    139,334x = 93,249,615,424
  5. Step 5: Solve for x
    x = 93,249,615,424/139,334
  6. Step 6: Final answer
    x = 669,252.41

Related Problems

Find third proportional to 69,667 and 152,684
Half scale
Find third proportional to 278,668 and 610,736
Double scale
Find third proportional to 139,336 and 305,372
Similar ratio
Find third proportional to 209,001 and 458,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.