Home / 123,957-268,515

Finding the Third Proportional to 123,957 and 268,515

Calculator

Solution

The third proportional to 123,957 and 268,515 is: 581,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,957 : 268,515 = 268,515 : x
  2. Step 2: Convert to fraction form
    123,957/268,515 = 268,515/x
  3. Step 3: Cross multiply
    123,957x = 268,515 × 268,515
  4. Step 4: Simplify right side
    123,957x = 72,100,305,225
  5. Step 5: Solve for x
    x = 72,100,305,225/123,957
  6. Step 6: Final answer
    x = 581,655.78

Related Problems

Find third proportional to 61,978.50 and 134,257.50
Half scale
Find third proportional to 247,914 and 537,030
Double scale
Find third proportional to 123,959 and 268,519
Similar ratio
Find third proportional to 185,935.50 and 402,772.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.