Home / 56,818-86,739

Finding the Third Proportional to 56,818 and 86,739

Calculator

Solution

The third proportional to 56,818 and 86,739 is: 132,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818 : 86,739 = 86,739 : x
  2. Step 2: Convert to fraction form
    56,818/86,739 = 86,739/x
  3. Step 3: Cross multiply
    56,818x = 86,739 × 86,739
  4. Step 4: Simplify right side
    56,818x = 7,523,654,121
  5. Step 5: Solve for x
    x = 7,523,654,121/56,818
  6. Step 6: Final answer
    x = 132,416.74

Related Problems

Find third proportional to 28,409 and 43,369.50
Half scale
Find third proportional to 113,636 and 173,478
Double scale
Find third proportional to 56,820 and 86,742
Similar ratio
Find third proportional to 85,227 and 130,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.