Home / 56,350-78,777

Finding the Third Proportional to 56,350 and 78,777

Calculator

Solution

The third proportional to 56,350 and 78,777 is: 110,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350 : 78,777 = 78,777 : x
  2. Step 2: Convert to fraction form
    56,350/78,777 = 78,777/x
  3. Step 3: Cross multiply
    56,350x = 78,777 × 78,777
  4. Step 4: Simplify right side
    56,350x = 6,205,815,729
  5. Step 5: Solve for x
    x = 6,205,815,729/56,350
  6. Step 6: Final answer
    x = 110,129.83

Related Problems

Find third proportional to 28,175 and 39,388.50
Half scale
Find third proportional to 112,700 and 157,554
Double scale
Find third proportional to 56,352 and 78,780
Similar ratio
Find third proportional to 84,525 and 118,165.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.