Home / 40,478-85,889

Finding the Third Proportional to 40,478 and 85,889

Calculator

Solution

The third proportional to 40,478 and 85,889 is: 182,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478 : 85,889 = 85,889 : x
  2. Step 2: Convert to fraction form
    40,478/85,889 = 85,889/x
  3. Step 3: Cross multiply
    40,478x = 85,889 × 85,889
  4. Step 4: Simplify right side
    40,478x = 7,376,920,321
  5. Step 5: Solve for x
    x = 7,376,920,321/40,478
  6. Step 6: Final answer
    x = 182,245.18

Related Problems

Find third proportional to 20,239 and 42,944.50
Half scale
Find third proportional to 80,956 and 171,778
Double scale
Find third proportional to 40,480 and 85,893
Similar ratio
Find third proportional to 60,717 and 128,833.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.