Home / 56,517-87,567

Finding the Third Proportional to 56,517 and 87,567

Calculator

Solution

The third proportional to 56,517 and 87,567 is: 135,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,517 : 87,567 = 87,567 : x
  2. Step 2: Convert to fraction form
    56,517/87,567 = 87,567/x
  3. Step 3: Cross multiply
    56,517x = 87,567 × 87,567
  4. Step 4: Simplify right side
    56,517x = 7,667,979,489
  5. Step 5: Solve for x
    x = 7,667,979,489/56,517
  6. Step 6: Final answer
    x = 135,675.63

Related Problems

Find third proportional to 28,258.50 and 43,783.50
Half scale
Find third proportional to 113,034 and 175,134
Double scale
Find third proportional to 56,519 and 87,570
Similar ratio
Find third proportional to 84,775.50 and 131,350.50
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.