Home / 128,841-276,735

Finding the Third Proportional to 128,841 and 276,735

Calculator

Solution

The third proportional to 128,841 and 276,735 is: 594,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,841 : 276,735 = 276,735 : x
  2. Step 2: Convert to fraction form
    128,841/276,735 = 276,735/x
  3. Step 3: Cross multiply
    128,841x = 276,735 × 276,735
  4. Step 4: Simplify right side
    128,841x = 76,582,260,225
  5. Step 5: Solve for x
    x = 76,582,260,225/128,841
  6. Step 6: Final answer
    x = 594,393.56

Related Problems

Find third proportional to 64,420.50 and 138,367.50
Half scale
Find third proportional to 257,682 and 553,470
Double scale
Find third proportional to 128,843 and 276,739
Similar ratio
Find third proportional to 193,261.50 and 415,102.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.