Home / 207,699-311,203

Finding the Third Proportional to 207,699 and 311,203

Calculator

Solution

The third proportional to 207,699 and 311,203 is: 466,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,699 : 311,203 = 311,203 : x
  2. Step 2: Convert to fraction form
    207,699/311,203 = 311,203/x
  3. Step 3: Cross multiply
    207,699x = 311,203 × 311,203
  4. Step 4: Simplify right side
    207,699x = 96,847,307,209
  5. Step 5: Solve for x
    x = 96,847,307,209/207,699
  6. Step 6: Final answer
    x = 466,286.82

Related Problems

Find third proportional to 103,849.50 and 155,601.50
Half scale
Find third proportional to 415,398 and 622,406
Double scale
Find third proportional to 207,701 and 311,206
Similar ratio
Find third proportional to 311,548.50 and 466,804.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.