Home / 128,217-332,844

Finding the Third Proportional to 128,217 and 332,844

Calculator

Solution

The third proportional to 128,217 and 332,844 is: 864,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,217 : 332,844 = 332,844 : x
  2. Step 2: Convert to fraction form
    128,217/332,844 = 332,844/x
  3. Step 3: Cross multiply
    128,217x = 332,844 × 332,844
  4. Step 4: Simplify right side
    128,217x = 110,785,128,336
  5. Step 5: Solve for x
    x = 110,785,128,336/128,217
  6. Step 6: Final answer
    x = 864,043.99

Related Problems

Find third proportional to 64,108.50 and 166,422
Half scale
Find third proportional to 256,434 and 665,688
Double scale
Find third proportional to 128,219 and 332,849
Similar ratio
Find third proportional to 192,325.50 and 499,266
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.