Home / 8,438.55-18,468

Finding the Third Proportional to 8,438.55 and 18,468

Calculator

Solution

The third proportional to 8,438.55 and 18,468 is: 40,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.55 : 18,468 = 18,468 : x
  2. Step 2: Convert to fraction form
    8,438.55/18,468 = 18,468/x
  3. Step 3: Cross multiply
    8,438.55x = 18,468 × 18,468
  4. Step 4: Simplify right side
    8,438.55x = 341,067,024
  5. Step 5: Solve for x
    x = 341,067,024/8,438.55
  6. Step 6: Final answer
    x = 40,417.71

Related Problems

Find third proportional to 4,219.28 and 9,234
Half scale
Find third proportional to 16,877.11 and 36,936
Double scale
Find third proportional to 8,441 and 18,472
Similar ratio
Find third proportional to 12,657.83 and 27,702
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.