Home / 267,465.75-415,485

Finding the Third Proportional to 267,465.75 and 415,485

Calculator

Solution

The third proportional to 267,465.75 and 415,485 is: 645,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,465.75 : 415,485 = 415,485 : x
  2. Step 2: Convert to fraction form
    267,465.75/415,485 = 415,485/x
  3. Step 3: Cross multiply
    267,465.75x = 415,485 × 415,485
  4. Step 4: Simplify right side
    267,465.75x = 172,627,785,225
  5. Step 5: Solve for x
    x = 172,627,785,225/267,465.75
  6. Step 6: Final answer
    x = 645,420.15

Related Problems

Find third proportional to 133,732.88 and 207,742.50
Half scale
Find third proportional to 534,931.50 and 830,970
Double scale
Find third proportional to 267,468 and 415,488
Similar ratio
Find third proportional to 401,198.63 and 623,227.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.