Home / 47,320-68,172

Finding the Third Proportional to 47,320 and 68,172

Calculator

Solution

The third proportional to 47,320 and 68,172 is: 98,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320 : 68,172 = 68,172 : x
  2. Step 2: Convert to fraction form
    47,320/68,172 = 68,172/x
  3. Step 3: Cross multiply
    47,320x = 68,172 × 68,172
  4. Step 4: Simplify right side
    47,320x = 4,647,421,584
  5. Step 5: Solve for x
    x = 4,647,421,584/47,320
  6. Step 6: Final answer
    x = 98,212.63

Related Problems

Find third proportional to 23,660 and 34,086
Half scale
Find third proportional to 94,640 and 136,344
Double scale
Find third proportional to 47,322 and 68,175
Similar ratio
Find third proportional to 70,980 and 102,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.