Home / 259,928-558,534

Finding the Third Proportional to 259,928 and 558,534

Calculator

Solution

The third proportional to 259,928 and 558,534 is: 1,200,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,928 : 558,534 = 558,534 : x
  2. Step 2: Convert to fraction form
    259,928/558,534 = 558,534/x
  3. Step 3: Cross multiply
    259,928x = 558,534 × 558,534
  4. Step 4: Simplify right side
    259,928x = 311,960,229,156
  5. Step 5: Solve for x
    x = 311,960,229,156/259,928
  6. Step 6: Final answer
    x = 1,200,179.39

Related Problems

Find third proportional to 129,964 and 279,267
Half scale
Find third proportional to 519,856 and 1,117,068
Double scale
Find third proportional to 259,930 and 558,538
Similar ratio
Find third proportional to 389,892 and 837,801
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.