Home / 128,532-276,801

Finding the Third Proportional to 128,532 and 276,801

Calculator

Solution

The third proportional to 128,532 and 276,801 is: 596,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,532 : 276,801 = 276,801 : x
  2. Step 2: Convert to fraction form
    128,532/276,801 = 276,801/x
  3. Step 3: Cross multiply
    128,532x = 276,801 × 276,801
  4. Step 4: Simplify right side
    128,532x = 76,618,793,601
  5. Step 5: Solve for x
    x = 76,618,793,601/128,532
  6. Step 6: Final answer
    x = 596,106.76

Related Problems

Find third proportional to 64,266 and 138,400.50
Half scale
Find third proportional to 257,064 and 553,602
Double scale
Find third proportional to 128,534 and 276,805
Similar ratio
Find third proportional to 192,798 and 415,201.50
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.